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* use abort instead of quit (#10872)Arne Döring2019-03-212-5/+9
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* improve docs for os.joinPath, fixes #10836 (#10866)Miran2019-03-201-2/+7
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* live with the hacks, PCRE's design is crapAraq2019-03-193-5/+6
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* pcre.nim: added pcre_free and removed hacks in nre and re.nimAndreas Rumpf2019-03-193-6/+5
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* sizeof alignof offsetof macros api (#10855)Arne Döring2019-03-191-0/+12
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* correct argument name, (#10813)Anthon van der Neut2019-03-181-1/+2
| | | | | | | | | | * correct argument name, updated using poUsePath, based on feedback from c-blake * Update osproc.nim * explicit args parameter
* Detect local "primary" IP addressFederico Ceratto2019-03-171-0/+20
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* make DLLs tests green againAndreas Rumpf2019-03-151-1/+1
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* fixes #10845Andreas Rumpf2019-03-151-15/+20
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* rename for code clarityAndreas Rumpf2019-03-151-5/+5
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* newruntime: make dynamic destructors compatible with C++Andreas Rumpf2019-03-151-2/+3
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* --newruntime: progressAndreas Rumpf2019-03-1411-87/+83
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* bring back `typetraits.$` for backward compatibilitynarimiran2019-03-141-0/+2
| | | | | Some packages are still using ``from typetraits import `$` `` which is now available from system (no need to import it).
* Revert "put extracted modules behind the switch, to enable doc generation"narimiran2019-03-146-17/+11
| | | | This reverts commit 71bff7d2df428896d3395d18b09c6f0c9c2fea4d.
* put extracted modules behind the switch, to enable doc generationnarimiran2019-03-146-11/+17
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* --newruntime: work in progressAndreas Rumpf2019-03-145-113/+198
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* gc: removed dead codeAndreas Rumpf2019-03-142-6/+0
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* seqs.nim: added a remark about C++ optimizersAndreas Rumpf2019-03-141-0/+8
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* move system.dollars in a separate file (#10829)Miran2019-03-137-209/+222
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* Make HWND a pointer instead of a cint and fix MSVC compiler warning (#10789)Bogdan2019-03-132-3/+3
| | | In Windows, a HWND is a HANDLE which is a PVOID so a pointer in Nim
* bitops: add reverseBits and test (#10835)Tomohiro2019-03-131-0/+45
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* Merge pull request #10823 from narimiran/json-tuplesDominik Picheta2019-03-111-13/+7
|\ | | | | simplify json.% for tuples and objects
| * simplify json.% for tuples and objectsnarimiran2019-03-111-13/+7
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* | Less warnings in macros (#10799)Arne Döring2019-03-112-20/+34
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* system: some documentation improvements (#10809)Miran2019-03-115-813/+1405
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* Revert "Follow the documentation's recommendation (#10808)"narimiran2019-03-101-2/+1
| | | | This reverts commit 1a13b3a14eafc35615c7e9f1b72b3ab646fa7550.
* Don't include the nimhcr dev docs in the system module documentation (#10759)zah2019-03-082-182/+180
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* documentation style tweaks (#10790)Miran2019-03-081-4/+4
| | | | | | | * exports are the least important field in the docs: they are put in the last place (at the bottom) * indent text after proc/type declaration for an easier navigation (noticeable difference between declarations and examples) * quickfix invalid style in `asynchttpserver`
* Follow the documentation's recommendation (#10808)Anthon van der Neut2019-03-081-1/+2
| | | | The doc states "Make sure to pass options explicitly.", but the example didn't. Since constructing a string for the shell with appropriate quotes is non-trivial, the first example should be how to use `execProcess` including `args`
* move assertions and iterators out of system.nim (#10597)Miran2019-03-074-423/+444
| | | | | * move assertions and iterators out of system.nim * limit nimsuggest tests to the first 3 suggestions
* fixes #10795Andreas Rumpf2019-03-061-5/+5
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* Merge pull request #10787 from silent-observer/patch-1Dominik Picheta2019-03-051-1/+1
|\ | | | | Remove var
| * Remove varsilent-observer2019-03-051-1/+1
| | | | | | Shouldn't testing bit require only immutable access? I think this is a typo
* | fixes a critical GC safety inference bug (#10615)Andreas Rumpf2019-03-051-2/+2
|/ | | | | | * fixes a critical GC safety inference bug * make nimsuggest compile again * make Nimble compile again
* stdlib: use system.default if it existsAndreas Rumpf2019-03-052-12/+10
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* added system.default in order to prevent the abstraction inversion that ↵Andreas Rumpf2019-03-051-0/+4
| | | | 'template default(T): untyped = (var x: T; x)' causes
* make exception handling use owned refsAndreas Rumpf2019-03-051-5/+13
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* attempt to make the CIs happy by using the older syntaxAndreas Rumpf2019-03-041-1/+1
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* special typing rules for owned pointersAndreas Rumpf2019-03-041-15/+35
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* code cleanup: there is no MoveError and sinks are always availableAndreas Rumpf2019-03-042-32/+16
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* make 'doc io.nim' workAndreas Rumpf2019-03-042-2/+4
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* make 'nim doc times.nim' work on old versions of OSX againAndreas Rumpf2019-03-041-1/+1
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* add wasm32 platformJacek Sieka2019-03-031-0/+2
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* hashes: fix inconsistent tests, fixes #10771narimiran2019-03-031-4/+3
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* times.nim: Fix docs for duration conversion procs [ci skip] (#10770)ee72019-03-021-5/+5
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* Matching actual proc name (#10766) [ci skip]Anthon van der Neut2019-03-021-1/+1
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* htmlparser: update exampleLeorize2019-03-021-3/+3
| | | | This update htmlparser example to compile with the current stdlib.
* alloc et al don't have any effect; fixes #9746Araq2019-03-013-25/+25
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* improved documentation for several modules (#10752)Miran2019-03-016-177/+325
| | | | | | | | | | | | More detailed documentation for: * md5 * hashes Mostly cosmetic improvements for: * threadpool * typetraits * channels * threads
* Fix corner-case uses of newLit (#10760)zah2019-03-011-5/+11
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nt is</span> <span class="Comment">//: currently stored in them.</span> <span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span> <span class="Comment">//: We'll use this container as a running example, with two number elements.</span> <span class="Delimiter">{</span> type_ordinal tmp = put<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span> get_or_insert<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span> <span class="Comment">// initialize</span> get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>kind = EXCLUSIVE_CONTAINER<span class="Delimiter">;</span> get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>name = <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">;</span> get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;i:number&quot;</span><span class="Delimiter">));</span> get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;p:point&quot;</span><span class="Delimiter">));</span> <span class="Delimiter">}</span> <span class="Comment">//: Tests in this layer often explicitly set up memory before reading it as an</span> <span class="Comment">//: array. Don't do this in general. I'm tagging exceptions with /raw to keep</span> <span class="Comment">//: checks in future layers from flagging them.</span> <span class="Delimiter">:(scenario copy_exclusive_container)</span> <span class="Comment"># Copying exclusive containers copies all their contents and an extra location for the tag.</span> def main [ <span class="Constant">1</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">1</span> <span class="Comment"># 'point' variant</span> <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span> <span class="Constant">3</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">35</span> <span class="Constant">4</span>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:number-<span class="Normal">or</span>-point/unsafe ] <span class="traceContains">+mem: storing 1 in location 4</span> <span class="traceContains">+mem: storing 34 in location 5</span> <span class="traceContains">+mem: storing 35 in location 6</span> <span class="Delimiter">:(before &quot;End size_of(type) Cases&quot;)</span> <span class="Normal">if</span> <span class="Delimiter">(</span>t<span class="Delimiter">.</span>kind == EXCLUSIVE_CONTAINER<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Comment">// Compute size_of Exclusive Container</span> <span class="Identifier">return</span> get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> type<span class="Delimiter">).</span>size<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before &quot;End compute_container_sizes Cases&quot;)</span> <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == EXCLUSIVE_CONTAINER<span class="Delimiter">)</span> <span class="Delimiter">{</span> container_metadata metadata<span class="Delimiter">;</span> <span class="Comment">// size of an exclusive container is the size of its largest variant</span> <span class="Comment">// (So like containers, it can't contain arrays.)</span> <span class="Normal">int</span> size = <span class="Constant">0</span><span class="Delimiter">;</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span class="Comment">// Compute Exclusive Container Size(element)</span> compute_container_sizes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">);</span> <span class="Normal">int</span> variant_size = size_of<span class="Delimiter">(</span>element<span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>variant_size &gt; size<span class="Delimiter">)</span> size = variant_size<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Comment">// ...+1 for its tag.</span> metadata<span class="Delimiter">.</span>size = size+<span class="Constant">1</span><span class="Delimiter">;</span> Container_metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;type_tree*<span class="Delimiter">,</span> container_metadata&gt;<span class="Delimiter">(</span><span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*type<span class="Delimiter">),</span> metadata<span class="Delimiter">));</span> <span class="Delimiter">}</span> <span class="SalientComment">//:: To access variants of an exclusive container, use 'maybe-convert'.</span> <span class="Comment">//: It always returns an address (so that you can modify it) or null (to</span> <span class="Comment">//: signal that the conversion failed (because the container contains a</span> <span class="Comment">//: different variant).</span> <span class="Comment">//: 'maybe-convert' requires a literal in ingredient 1. We'll use a synonym</span> <span class="Comment">//: called 'variant'.</span> <span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span> put<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;variant&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span> <span class="Delimiter">:(scenario maybe_convert)</span> def main [ <span class="Constant">12</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">1</span> <span class="Constant">13</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">35</span> <span class="Constant">14</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">36</span> <span class="Constant">20</span>:point<span class="Delimiter">,</span> <span class="Constant">22</span>:boolean<span class="Special"> &lt;- </span>maybe-convert <span class="Constant">12</span>:number-<span class="Normal">or</span>-point/unsafe<span class="Delimiter">,</span> <span class="Constant">1</span>:variant ] <span class="Comment"># boolean</span> <span class="traceContains">+mem: storing 1 in location 22</span> <span class="Comment"># point</span> <span class="traceContains">+mem: storing 35 in location 20</span> <span class="traceContains">+mem: storing 36 in location 21</span> <span class="Delimiter">:(scenario maybe_convert_fail)</span> def main [ <span class="Constant">12</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">1</span> <span class="Constant">13</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">35</span> <span class="Constant">14</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">36</span> <span class="Constant">20</span>:number<span class="Delimiter">,</span> <span class="Constant">21</span>:boolean<span class="Special"> &lt;- </span>maybe-convert <span class="Constant">12</span>:number-<span class="Normal">or</span>-point/unsafe<span class="Delimiter">,</span> <span class="Constant">0</span>:variant ] <span class="Comment"># boolean</span> <span class="traceContains">+mem: storing 0 in location 21</span> <span class="Comment"># number: no write</span> <span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span> MAYBE_CONVERT<span class="Delimiter">,</span> <span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span> put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;maybe-convert&quot;</span><span class="Delimiter">,</span> MAYBE_CONVERT<span class="Delimiter">);</span> <span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span> <span class="Normal">case</span> MAYBE_CONVERT: <span class="Delimiter">{</span> <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'maybe-convert' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// Update MAYBE_CONVERT base in Check</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">.</span>type || !base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != EXCLUSIVE_CONTAINER<span class="Delimiter">)</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'maybe-convert' should be an exclusive-container, but got '&quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'maybe-convert' should have type 'variant', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'maybe-convert' expects exactly 2 products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// Update MAYBE_CONVERT product in Check</span> reagent&amp; offset = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> populate_value<span class="Delimiter">(</span>offset<span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>offset<span class="Delimiter">.</span>value &gt;= SIZE<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;invalid tag &quot;</span> &lt;&lt; offset<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">const</span> reagent&amp; variant = variant_type<span class="Delimiter">(</span>base<span class="Delimiter">,</span> offset<span class="Delimiter">.</span>value<span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>product<span class="Delimiter">,</span> variant<span class="Delimiter">))</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'maybe-convert &quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' should write to &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but '&quot;</span> &lt;&lt; product<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' has type &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>product<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> status = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span class="Comment">// Update MAYBE_CONVERT status in Check</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_boolean<span class="Delimiter">(</span>status<span class="Delimiter">))</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second product yielded by 'maybe-convert' should be a boolean, but tried to write to '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span> <span class="Normal">case</span> MAYBE_CONVERT: <span class="Delimiter">{</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// Update MAYBE_CONVERT base in Run</span> <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span> <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>current_recipe_name<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to access location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">int</span> tag = current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>value<span class="Delimiter">;</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// Update MAYBE_CONVERT product in Run</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> status = current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span class="Comment">// Update MAYBE_CONVERT status in Run</span> <span class="Comment">// optimization: directly write results to only update first product when necessary</span> <span class="Normal">if</span> <span class="Delimiter">(</span>tag == <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span>get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">)))</span> <span class="Delimiter">{</span> <span class="Normal">const</span> reagent&amp; variant = variant_type<span class="Delimiter">(</span>base<span class="Delimiter">,</span> tag<span class="Delimiter">);</span> trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 1 in location &quot;</span> &lt;&lt; status<span class="Delimiter">.</span>value &lt;&lt; end<span class="Delimiter">();</span> put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> <span class="Comment">// Write Memory in Successful MAYBE_CONVERT in Run</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; size_of<span class="Delimiter">(</span>variant<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Normal">double</span> val = get_or_insert<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address+<span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span>+i<span class="Delimiter">);</span> trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>val<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; product<span class="Delimiter">.</span>value+i &lt;&lt; end<span class="Delimiter">();</span> put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> product<span class="Delimiter">.</span>value+i<span class="Delimiter">,</span> val<span class="Delimiter">);</span> <span class="Delimiter">}</span> <span class="Delimiter">}</span> <span class="Normal">else</span> <span class="Delimiter">{</span> trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0 in location &quot;</span> &lt;&lt; status<span class="Delimiter">.</span>value &lt;&lt; end<span class="Delimiter">();</span> put<span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> status<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span> <span class="Delimiter">}</span> <span class="Identifier">goto</span> finish_instruction<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(code)</span> <span class="Normal">const</span> reagent variant_type<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; base<span class="Delimiter">,</span> <span class="Normal">int</span> tag<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> variant_type<span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">,</span> tag<span class="Delimiter">);</span> <span class="Delimiter">}</span> <span class="Normal">const</span> reagent variant_type<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">,</span> <span class="Normal">int</span> tag<span class="Delimiter">)</span> <span class="Delimiter">{</span> assert<span class="Delimiter">(</span>tag &gt;= <span class="Constant">0</span><span class="Delimiter">);</span> assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">));</span> assert<span class="Delimiter">(</span>!get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span> assert<span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == EXCLUSIVE_CONTAINER<span class="Delimiter">);</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>tag<span class="Delimiter">);</span> <span class="Comment">// End variant_type Special-cases</span> <span class="Identifier">return</span> element<span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario maybe_convert_product_type_mismatch)</span> <span class="Special">% Hide_errors = true;</span> def main [ <span class="Constant">12</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">1</span> <span class="Constant">13</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">35</span> <span class="Constant">14</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">36</span> <span class="Constant">20</span>:number<span class="Delimiter">,</span> <span class="Constant">21</span>:boolean<span class="Special"> &lt;- </span>maybe-convert <span class="Constant">12</span>:number-<span class="Normal">or</span>-point/unsafe<span class="Delimiter">,</span> <span class="Constant">1</span>:variant ] <span class="traceContains">+error: main: 'maybe-convert 12:number-or-point/unsafe, 1:variant' should write to point but '20' has type number</span> <span class="SalientComment">//:: Allow exclusive containers to be defined in mu code.</span> <span class="Delimiter">:(scenario exclusive_container)</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] <span class="traceContains">+parse: --- defining exclusive-container foo</span> <span class="traceContains">+parse: element: {x: &quot;number&quot;}</span> <span class="traceContains">+parse: element: {y: &quot;number&quot;}</span> <span class="Delimiter">:(before &quot;End Command Handlers&quot;)</span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>command == <span class="Constant">&quot;exclusive-container&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> insert_container<span class="Delimiter">(</span>command<span class="Delimiter">,</span> EXCLUSIVE_CONTAINER<span class="Delimiter">,</span> in<span class="Delimiter">);</span> <span class="Delimiter">}</span> <span class="Comment">//: arrays are disallowed inside exclusive containers unless their length is</span> <span class="Comment">//: fixed in advance</span> <span class="Delimiter">:(scenario exclusive_container_contains_array)</span> exclusive-container foo [ <span class="Normal">x</span>:array:number:<span class="Constant">3</span> ] $error: <span class="Constant">0</span> <span class="Delimiter">:(scenario exclusive_container_disallows_dynamic_array_element)</span> <span class="Special">% Hide_errors = true;</span> exclusive-container foo [ <span class="Normal">x</span>:array:number ] <span class="traceContains">+error: container 'foo' cannot determine size of element 'x'</span> <span class="SalientComment">//:: To construct exclusive containers out of variant types, use 'merge'.</span> <span class="Delimiter">:(scenario lift_to_exclusive_container)</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] def main [ <span class="Constant">1</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span> <span class="Constant">2</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:number <span class="Comment"># tag must be a literal when merging exclusive containers</span> <span class="Constant">4</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">1</span>:number ] <span class="traceContains">+mem: storing 0 in location 2</span> <span class="traceContains">+mem: storing 34 in location 3</span> <span class="traceContains">+mem: storing 1 in location 4</span> <span class="traceContains">+mem: storing 34 in location 5</span> <span class="Comment">//: type-checking for 'merge' on exclusive containers</span> <span class="Delimiter">:(scenario merge_handles_exclusive_container)</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] container bar [ <span class="Normal">z</span>:number ] def main [ <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">34</span> ] <span class="traceContains">+mem: storing 0 in location 1</span> <span class="traceContains">+mem: storing 34 in location 2</span> $error: <span class="Constant">0</span> <span class="Delimiter">:(scenario merge_requires_literal_tag_for_exclusive_container)</span> <span class="Special">% Hide_errors = true;</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] container bar [ <span class="Normal">z</span>:number ] def main [ local-scope <span class="Constant">1</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span> <span class="Constant">2</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">34</span> ] <span class="traceContains">+error: main: ingredient 0 of 'merge' should be a literal, for the tag of exclusive-container 'foo'</span> <span class="Delimiter">:(before &quot;End valid_merge Cases&quot;)</span> <span class="Normal">case</span> EXCLUSIVE_CONTAINER: <span class="Delimiter">{</span> assert<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index == <span class="Constant">0</span><span class="Delimiter">);</span> trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking exclusive container &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>container<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs ingredient &quot;</span> &lt;&lt; ingredient_index &lt;&lt; end<span class="Delimiter">();</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient &quot;</span> &lt;&lt; ingredient_index &lt;&lt; <span class="Constant">&quot; of 'merge' should be a literal, for the tag of exclusive-container '&quot;</span> &lt;&lt; container_info<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">);</span> <span class="Comment">// unnecessary copy just to keep this function from modifying caller</span> populate_value<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span> <span class="Normal">if</span> <span class="Delimiter">(</span>ingredient<span class="Delimiter">.</span>value &gt;= SIZE<span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>elements<span class="Delimiter">))</span> <span class="Delimiter">{</span> raise &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;invalid tag at &quot;</span> &lt;&lt; ingredient_index &lt;&lt; <span class="Constant">&quot; for '&quot;</span> &lt;&lt; container_info<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Normal">const</span> reagent&amp; variant = variant_type<span class="Delimiter">(</span>container<span class="Delimiter">,</span> ingredient<span class="Delimiter">.</span>value<span class="Delimiter">);</span> trace<span class="Delimiter">(</span><span class="Constant">9999</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;tag: &quot;</span> &lt;&lt; ingredient<span class="Delimiter">.</span>value &lt;&lt; end<span class="Delimiter">();</span> <span class="Comment">// replace union with its variant</span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>pop<span class="Delimiter">();</span> state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>push<span class="Delimiter">(</span>merge_check_point<span class="Delimiter">(</span>variant<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">));</span> ++ingredient_index<span class="Delimiter">;</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario merge_check_container_containing_exclusive_container)</span> container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] exclusive-container bar [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] def main [ <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span> ] <span class="traceContains">+mem: storing 23 in location 1</span> <span class="traceContains">+mem: storing 1 in location 2</span> <span class="traceContains">+mem: storing 34 in location 3</span> $error: <span class="Constant">0</span> <span class="Delimiter">:(scenario merge_check_container_containing_exclusive_container_2)</span> <span class="Special">% Hide_errors = true;</span> container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] exclusive-container bar [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] def main [ <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span> ] <span class="traceContains">+error: main: too many ingredients in '1:foo &lt;- merge 23, 1/y, 34, 35'</span> <span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container)</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] container bar [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] def main [ <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">34</span> ] <span class="traceContains">+mem: storing 1 in location 1</span> <span class="traceContains">+mem: storing 23 in location 2</span> <span class="traceContains">+mem: storing 34 in location 3</span> $error: <span class="Constant">0</span> <span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container_2)</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] container bar [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] def main [ <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">23</span> ] $error: <span class="Constant">0</span> <span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container_3)</span> <span class="Special">% Hide_errors = true;</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] container bar [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] def main [ <span class="Constant">1</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">23</span> ] <span class="traceContains">+error: main: too few ingredients in '1:foo &lt;- merge 1/y, 23'</span> <span class="Delimiter">:(scenario merge_check_exclusive_container_containing_container_4)</span> exclusive-container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:bar ] container bar [ <span class="Normal">a</span>:number <span class="Normal">b</span>:number ] def main [ <span class="Constant">1</span>:bar<span class="Special"> &lt;- </span>merge <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">24</span> <span class="Constant">3</span>:foo<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/y<span class="Delimiter">,</span> <span class="Constant">1</span>:bar ] $error: <span class="Constant">0</span> <span class="Comment">//: Since the different variants of an exclusive-container might have</span> <span class="Comment">//: different sizes, relax the size mismatch check for 'merge' instructions.</span> <span class="Delimiter">:(before &quot;End size_mismatch(x) Cases&quot;)</span> <span class="Normal">if</span> <span class="Delimiter">(</span>current_step_index<span class="Delimiter">()</span> &lt; SIZE<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">())</span> &amp;&amp; current_instruction<span class="Delimiter">().</span>operation == MERGE &amp;&amp; !current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> &amp;&amp; current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x = current_instruction<span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span class="Comment">// Update size_mismatch Check for MERGE(x)</span> <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind == EXCLUSIVE_CONTAINER<span class="Delimiter">)</span> <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt; SIZE<span class="Delimiter">(</span>data<span class="Delimiter">);</span> <span class="Delimiter">}</span> <span class="Delimiter">:(scenario merge_exclusive_container_with_mismatched_sizes)</span> container foo [ <span class="Normal">x</span>:number <span class="Normal">y</span>:number ] exclusive-container bar [ <span class="Normal">x</span>:number <span class="Normal">y</span>:foo ] def main [ <span class="Constant">1</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span> <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">35</span> <span class="Constant">3</span>:bar<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/x<span class="Delimiter">,</span> <span class="Constant">1</span>:number <span class="Constant">6</span>:bar<span class="Special"> &lt;- </span>merge <span class="Constant">1</span>/foo<span class="Delimiter">,</span> <span class="Constant">1</span>:number<span class="Delimiter">,</span> <span class="Constant">2</span>:number ] <span class="traceContains">+mem: storing 0 in location 3</span> <span class="traceContains">+mem: storing 34 in location 4</span> <span class="Comment"># bar is always 3 large so location 5 is skipped</span> <span class="traceContains">+mem: storing 1 in location 6</span> <span class="traceContains">+mem: storing 34 in location 7</span> <span class="traceContains">+mem: storing 35 in location 8</span> </pre> </body> </html> <!-- vim: set foldmethod=manual : -->