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NOTE: This log only documents changes between stable versions.
Stable versions are identifiable (since 1.2) through their even minor
version number, like 1.2.x, 1.4.x, etc.  Odd minor version numbers
are used for rolling-release git snapshots.

2011-04-05: Version 1.4.3
* Fixed mimetype checking when invoking ranger with a filename
* Fixed loss of bookmarks when disk is full
* Minor improvements

2011-03-05: Version 1.4.2
* Added --choosefile and --choosedir flag
* Added use of bookmarks in tab completion of the :cd command
* Fixed bug with detached programs and python 3.2

2011-01-04: Version 1.4.1
* Fixed crash when preview failed under some circumstances
* Fixed graphical bug when pressing i

2010-12-22: Version 1.4.0
* Added option to use any external scripts for previews (see scope.sh)
* Added key: zv to toggle the use of the external script
* Added indicator for the used filter (type "zf")
* Added option padding_right to remove whitespace if theres no preview
* Added command :search_inc for incremental search
* Added commands :save_copy_buffer and :load_copy_buffer to share
  the copied files between ranger instances
* Added mimeopen as a fallback if no useful application can be found
* Added natural sort, sorts 1foo before 10foo. (type "on")
* Added keys: yp, yd and yb to copy path, dirname or basename to seleciton
* Let open_with use the selection, not just one file
* Run files with right mouse click
* Implemented copying via coreutils rather than internal python code
* Improved handling of unicode
* Some restructuration of the source code

2010-12-13: Version 1.2.3
* Enable binding to alt-keys
* Fixed memory leak in garbage collecting of old, unused directory objects
* Fixed python3 incompatibilities
* Fixed problems with identifying changes of files
* Fixed lazy lookup of some FSObject attributes

2010-10-10: Version 1.2.2
* Prevent currently used directories from being garbage collected
* Disable mouse buttons when console is open
* Fixed :cd command: Without arguments, cd's into $HOME
* Fixed bug which prevented pydoc to work on some config files
* Fixed some bugs in "snow" and "jungle" colorschemes
* Several other clean-ups and fixes

2010-09-16: Version 1.2.1
* Fixed yy/pp bug when yanking multiple directories

2010-09-13: Version 1.2.0
* !!! Changed the default configuration directory to ~/.config/ranger !!!
* Removed "Console Modes", each old mode is now a simple command
* Disabled file previews by default if ranger is used by root
* Allow to jump to specific help sections by typing two numbers, e.g. 13?
* Added keys: da, dr, ya, yr for adding and removing files from copy buffer
* Added keys: gl and gL to resolve links, see 11?
* Added key: pL to create a relative symlink
* Added %<LETTER> and %<N><LETTER> macros for the console, see 33?
* Fixed ansi codes for colors in the pager
* Use the file ~/.mime.types for mime type detection
* Several clean-ups and fixes

2010-07-17: Version 1.1.2
* Fix crash when using scrollwheel to scroll down in some cases
* The command "ranger dir1 dir2 ..." opens multiple directories in tabs
* Removed pydoc html documentation by default, re-create it with "make doc"
* Minor fixes

2010-06-18: Version 1.1.1
* New install script, "setup.py"
* New flag for running programs: "w" (waits for enter press)
* Minor fixes

2010-06-09: Version 1.1.0
* Added a man page
* Tab support
* Improved directory loading performance
* Commands are definable in ~/.ranger/commands.py
* Case insensitive sorting (type zs)
* Better UTF support
* Possibility to turn off previews (zp and zP)
* Changing options with :set (e.g. :set column_ratios=1,2,3,4)
* Ask for confirmation when using :delete
* New invocation flag: --fail-unless-cd
* New hotkeys, commands, options.
* New syntax for ~/.ranger/keys.py
* Several user contributions
* And tons of general improvements

NOTE: The syntax for configuration is still subject to change.
K. Agaram <vc@akkartik.com> 2015-05-06 00:19:03 -0700 committer Kartik K. Agaram <vc@akkartik.com> 2015-05-06 00:19:03 -0700 1279 - colorized rendering of the source files' href='/akkartik/mu/commit/html/010vm.cc.html?h=main&id=672e3e50c6ed6de161e40aa256c3fc0f2b1f7cf9'>672e3e50 ^
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<pre id='vimCodeElement'>
<span class="Comment">//: A program is a book of 'recipes' (functions)</span>
<span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span class="Comment">//: Each recipe is stored at a specific page number, or ordinal.</span>
map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe&gt; Recipe<span class="Delimiter">;</span>
<span class="Comment">//: You can also refer to each recipe by its name.</span>
map&lt;string<span class="Delimiter">,</span> recipe_ordinal&gt; Recipe_ordinal<span class="Delimiter">;</span>
recipe_ordinal Next_recipe_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>

<span class="Comment">//: Ordinals are like numbers, except you can't do arithmetic on them. Ordinal</span>
<span class="Comment">//: 1 is not less than 2, it's just different. Phone numbers are ordinals;</span>
<span class="Comment">//: adding two phone numbers is meaningless. Here each recipe does something</span>
<span class="Comment">//: incommensurable with any other recipe.</span>
<span class="Delimiter">:(after &quot;Types&quot;)</span>
typedef long long int recipe_ordinal<span class="Delimiter">;</span>

<span class="Delimiter">:(before &quot;End Types&quot;)</span>
<span class="Comment">// Recipes are lists of instructions. To perform or 'run' a recipe, the</span>
<span class="Comment">// computer runs its instructions.</span>
struct recipe <span class="Delimiter">{</span>
  string name<span class="Delimiter">;</span>
  vector&lt;instruction&gt; steps<span class="Delimiter">;</span>
  <span class="Comment">// End recipe Fields</span>
<span class="Delimiter">};</span>

<span class="Delimiter">:(before &quot;struct recipe&quot;)</span>
<span class="Comment">// Each instruction is either of the form:</span>
<span class="Comment">//   product1, product2, product3, ... &lt;- operation ingredient1, ingredient2, ingredient3, ...</span>
<span class="Comment">// or just a single 'label' starting with a non-alphanumeric character</span>
<span class="Comment">//   +label</span>
<span class="Comment">// Labels don't do anything, they're just waypoints.</span>
struct instruction <span class="Delimiter">{</span>
  bool is_label<span class="Delimiter">;</span>
  string label<span class="Delimiter">;</span>  <span class="Comment">// only if is_label</span>
  string name<span class="Delimiter">;</span>  <span class="Comment">// only if !is_label</span>
  recipe_ordinal operation<span class="Delimiter">;</span>  <span class="Comment">// Recipe_ordinal[name]</span>
  vector&lt;reagent&gt; ingredients<span class="Delimiter">;</span>  <span class="Comment">// only if !is_label</span>
  vector&lt;reagent&gt; products<span class="Delimiter">;</span>  <span class="Comment">// only if !is_label</span>
  instruction<span class="Delimiter">();</span>
  void clear<span class="Delimiter">();</span>
  string to_string<span class="Delimiter">()</span> const<span class="Delimiter">;</span>
<span class="Delimiter">};</span>

<span class="Delimiter">:(before &quot;struct instruction&quot;)</span>
<span class="Comment">// Ingredients and products are a single species -- a reagent. Reagents refer</span>
<span class="Comment">// either to numbers or to locations in memory along with 'type' tags telling</span>
<span class="Comment">// us how to interpret them. They also can contain arbitrary other lists of</span>
<span class="Comment">// properties besides types, but we're getting ahead of ourselves.</span>
struct reagent <span class="Delimiter">{</span>
  string original_string<span class="Delimiter">;</span>
  vector&lt;pair&lt;string<span class="Delimiter">,</span> vector&lt;string&gt; &gt; &gt; properties<span class="Delimiter">;</span>
  string name<span class="Delimiter">;</span>
  double value<span class="Delimiter">;</span>
  bool initialized<span class="Delimiter">;</span>
  vector&lt;type_ordinal&gt; types<span class="Delimiter">;</span>
  reagent<span class="Delimiter">(</span>string s<span class="Delimiter">);</span>
  reagent<span class="Delimiter">();</span>
  void set_value<span class="Delimiter">(</span>double v<span class="Delimiter">)</span> <span class="Delimiter">{</span> value = v<span class="Delimiter">;</span> initialized = <span class="Constant">true</span><span class="Delimiter">;</span> <span class="Delimiter">}</span>
  string to_string<span class="Delimiter">()</span> const<span class="Delimiter">;</span>
<span class="Delimiter">};</span>

<span class="Delimiter">:(before &quot;struct reagent&quot;)</span>
struct property <span class="Delimiter">{</span>
  vector&lt;string&gt; values<span class="Delimiter">;</span>
<span class="Delimiter">};</span>

<span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span class="Comment">// Locations refer to a common 'memory'. Each location can store a number.</span>
map&lt;long long int<span class="Delimiter">,</span> double&gt; Memory<span class="Delimiter">;</span>
<span class="Delimiter">:(before &quot;End Setup&quot;)</span>
Memory<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>

<span class="Delimiter">:(after &quot;Types&quot;)</span>
<span class="Comment">// Mu types encode how the numbers stored in different parts of memory are</span>
<span class="Comment">// interpreted. A location tagged as a 'character' type will interpret the</span>
<span class="Comment">// number 97 as the letter 'a', while a different location of type 'number'</span>
<span class="Comment">// would not.</span>
<span class="Comment">//</span>
<span class="Comment">// Unlike most computers today, mu stores types in a single big table, shared</span>
<span class="Comment">// by all the mu programs on the computer. This is useful in providing a</span>
<span class="Comment">// seamless experience to help understand arbitrary mu programs.</span>
typedef long long int type_ordinal<span class="Delimiter">;</span>
<span class="Delimiter">:(before &quot;End Globals&quot;)</span>
map&lt;string<span class="Delimiter">,</span> type_ordinal&gt; Type_ordinal<span class="Delimiter">;</span>
map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt; Type<span class="Delimiter">;</span>
type_ordinal Next_type_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>
<span class="Delimiter">:(code)</span>
void setup_types<span class="Delimiter">()</span> <span class="Delimiter">{</span>
  Type<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>  Type_ordinal<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
  Type_ordinal[<span class="Constant">&quot;literal&quot;</span>] = <span class="Constant">0</span><span class="Delimiter">;</span>
  Next_type_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>
  <span class="Comment">// Mu Types Initialization</span>
  type_ordinal number = Type_ordinal[<span class="Constant">&quot;number&quot;</span>] = Next_type_ordinal++<span class="Delimiter">;</span>
  Type_ordinal[<span class="Constant">&quot;location&quot;</span>] = Type_ordinal[<span class="Constant">&quot;number&quot;</span>]<span class="Delimiter">;</span>  <span class="Comment">// wildcard type: either a pointer or a scalar</span>
  Type[number]<span class="Delimiter">.</span>name = <span class="Constant">&quot;number&quot;</span><span class="Delimiter">;</span>
  type_ordinal address = Type_ordinal[<span class="Constant">&quot;address&quot;</span>] = Next_type_ordinal++<span class="Delimiter">;</span>
  Type[address]<span class="Delimiter">.</span>name = <span class="Constant">&quot;address&quot;</span><span class="Delimiter">;</span>
  type_ordinal boolean = Type_ordinal[<span class="Constant">&quot;boolean&quot;</span>] = Next_type_ordinal++<span class="Delimiter">;</span>
  Type[boolean]<span class="Delimiter">.</span>name = <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">;</span>
  type_ordinal character = Type_ordinal[<span class="Constant">&quot;character&quot;</span>] = Next_type_ordinal++<span class="Delimiter">;</span>
  Type[character]<span class="Delimiter">.</span>name = <span class="Constant">&quot;character&quot;</span><span class="Delimiter">;</span>
  <span class="Comment">// Array types are a special modifier to any other type. For example,</span>
  <span class="Comment">// array:number or array:address:boolean.</span>
  type_ordinal array = Type_ordinal[<span class="Constant">&quot;array&quot;</span>] = Next_type_ordinal++<span class="Delimiter">;</span>
  Type[array]<span class="Delimiter">.</span>name = <span class="Constant">&quot;array&quot;</span><span class="Delimiter">;</span>
  <span class="Comment">// End Mu Types Initialization</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
setup_types<span class="Delimiter">();</span>

<span class="Delimiter">:(before &quot;End Types&quot;)</span>
<span class="Comment">// You can construct arbitrary new types. New types are either 'containers'</span>
<span class="Comment">// with multiple 'elements' of other types, or 'exclusive containers' containing</span>
<span class="Comment">// one of multiple 'variants'. (These are similar to C structs and unions,</span>
<span class="Comment">// respectively, though exclusive containers implicitly include a tag element</span>
<span class="Comment">// recording which variant they should be interpreted as.)</span>
<span class="Comment">//</span>
<span class="Comment">// For example, storing bank balance and name for an account might require a</span>
<span class="Comment">// container, but if bank accounts may be either for individuals or groups,</span>
<span class="Comment">// with different properties for each, that may require an exclusive container</span>
<span class="Comment">// whose variants are individual-account and joint-account containers.</span>
enum kind_of_type <span class="Delimiter">{</span>
  primitive<span class="Delimiter">,</span>
  container<span class="Delimiter">,</span>
  exclusive_container
<span class="Delimiter">};</span>

struct type_info <span class="Delimiter">{</span>
  string name<span class="Delimiter">;</span>
  kind_of_type kind<span class="Delimiter">;</span>
  long long int size<span class="Delimiter">;</span>  <span class="Comment">// only if type is not primitive; primitives and addresses have size 1 (except arrays are dynamic)</span>
  vector&lt;vector&lt;type_ordinal&gt; &gt; elements<span class="Delimiter">;</span>
  vector&lt;string&gt; element_names<span class="Delimiter">;</span>
  <span class="Comment">// End type_info Fields</span>
  type_info<span class="Delimiter">()</span> :kind<span class="Delimiter">(</span>primitive<span class="Delimiter">),</span> size<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
<span class="Delimiter">};</span>

enum primitive_recipes <span class="Delimiter">{</span>
  IDLE = <span class="Constant">0</span><span class="Delimiter">,</span>
  COPY<span class="Delimiter">,</span>
  <span class="Comment">// End Primitive Recipe Declarations</span>
  MAX_PRIMITIVE_RECIPES<span class="Delimiter">,</span>
<span class="Delimiter">};</span>
<span class="Delimiter">:(code)</span>
<span class="Comment">//: It's all very well to construct recipes out of other recipes, but we need</span>
<span class="Comment">//: to know how to do *something* out of the box. For the following</span>
<span class="Comment">//: recipes there are only codes, no entries in the book, because mu just knows</span>
<span class="Comment">//: what to do for them.</span>
void setup_recipes<span class="Delimiter">()</span> <span class="Delimiter">{</span>
  Recipe<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>  Recipe_ordinal<span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
  Recipe_ordinal[<span class="Constant">&quot;idle&quot;</span>] = IDLE<span class="Delimiter">;</span>
  <span class="Comment">// Primitive Recipe Numbers</span>
  Recipe_ordinal[<span class="Constant">&quot;copy&quot;</span>] = COPY<span class="Delimiter">;</span>
  <span class="Comment">// End Primitive Recipe Numbers</span>
<span class="Delimiter">}</span>
<span class="Comment">//: We could just reset the recipe table after every test, but that gets slow</span>
<span class="Comment">//: all too quickly. Instead, initialize the common stuff just once at</span>
<span class="Comment">//: startup. Later layers will carefully undo each test's additions after</span>
<span class="Comment">//: itself.</span>
<span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
setup_recipes<span class="Delimiter">();</span>
assert<span class="Delimiter">(</span>MAX_PRIMITIVE_RECIPES &lt; <span class="Constant">200</span><span class="Delimiter">);</span>  <span class="Comment">// level 0 is primitives; until 199</span>
Next_recipe_ordinal = <span class="Constant">200</span><span class="Delimiter">;</span>
<span class="Comment">// End Load Recipes</span>
<span class="Delimiter">:(before &quot;End Test Run Initialization&quot;)</span>
assert<span class="Delimiter">(</span>Next_recipe_ordinal &lt; <span class="Constant">1000</span><span class="Delimiter">);</span>  <span class="Comment">// recipes being tested didn't overflow into test space</span>
<span class="Delimiter">:(before &quot;End Setup&quot;)</span>
Next_recipe_ordinal = <span class="Constant">1000</span><span class="Delimiter">;</span>  <span class="Comment">// consistent new numbers for each test</span>

^L

<span class="SalientComment">//:: Helpers</span>

<span class="Delimiter">:(code)</span>
instruction::instruction<span class="Delimiter">()</span> :is_label<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">),</span> operation<span class="Delimiter">(</span>IDLE<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
void instruction::clear<span class="Delimiter">()</span> <span class="Delimiter">{</span> is_label=<span class="Constant">false</span><span class="Delimiter">;</span> label<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> operation=IDLE<span class="Delimiter">;</span> ingredients<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> products<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> <span class="Delimiter">}</span>

<span class="Comment">// Reagents have the form &lt;name&gt;:&lt;type&gt;:&lt;type&gt;:.../&lt;property&gt;/&lt;property&gt;/...</span>
reagent::reagent<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> :original_string<span class="Delimiter">(</span>s<span class="Delimiter">),</span> value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> initialized<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
  <span class="Comment">// Parsing reagent(string s)</span>
  istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
  in &gt;&gt; std::noskipws<span class="Delimiter">;</span>
  <span class="Comment">// properties</span>
  while <span class="Delimiter">(</span>!in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span>
    istringstream row<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">));</span>
    row &gt;&gt; std::noskipws<span class="Delimiter">;</span>
    string name = slurp_until<span class="Delimiter">(</span>row<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
    vector&lt;string&gt; values<span class="Delimiter">;</span>
    while <span class="Delimiter">(</span>!row<span class="Delimiter">.</span>eof<span class="Delimiter">())</span>
      values<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>row<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">));</span>
    properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> vector&lt;string&gt; &gt;<span class="Delimiter">(</span>name<span class="Delimiter">,</span> values<span class="Delimiter">));</span>
  <span class="Delimiter">}</span>
  <span class="Comment">// structures for the first row of properties</span>
  name = properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>first<span class="Delimiter">;</span>
  for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
    string type = properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
    if <span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">.</span>find<span class="Delimiter">(</span>type<span class="Delimiter">)</span> == Type_ordinal<span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span class="CommentedCode">//?       cerr &lt;&lt; type &lt;&lt; &quot; is &quot; &lt;&lt; Next_type_ordinal &lt;&lt; '\n'; //? 1</span>
      Type_ordinal[type] = Next_type_ordinal++<span class="Delimiter">;</span>
    <span class="Delimiter">}</span>
    types<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>Type_ordinal[type]<span class="Delimiter">);</span>
  <span class="Delimiter">}</span>
  if <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>name<span class="Delimiter">)</span> &amp;&amp; types<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
    types<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
    properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">&quot;literal&quot;</span><span class="Delimiter">);</span>
  <span class="Delimiter">}</span>
  if <span class="Delimiter">(</span>name == <span class="Constant">&quot;_&quot;</span> &amp;&amp; types<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
    types<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
    properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>second<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">&quot;dummy&quot;</span><span class="Delimiter">);</span>
  <span class="Delimiter">}</span>
  <span class="Comment">// End Parsing reagent</span>
<span class="Delimiter">}</span>

reagent::reagent<span class="Delimiter">()</span> :value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> initialized<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
  <span class="Comment">// The first property is special, so ensure we always have it.</span>
  <span class="Comment">// Other properties can be pushed back, but the first must always be</span>
  <span class="Comment">// assigned to.</span>
  properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> vector&lt;string&gt; &gt;<span class="Delimiter">(</span><span class="Constant">&quot;&quot;</span><span class="Delimiter">,</span> vector&lt;string&gt;<span class="Delimiter">()));</span>
<span class="Delimiter">}</span>

string reagent::to_string<span class="Delimiter">()</span> const <span class="Delimiter">{</span>
  ostringstream out<span class="Delimiter">;</span>
  out &lt;&lt; <span class="Constant">&quot;{name: </span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; name &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
  if <span class="Delimiter">(</span>!properties<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
    out &lt;&lt; <span class="Constant">&quot;, properties: [&quot;</span><span class="Delimiter">;</span>
    for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>properties<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
      out &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">: &quot;</span><span class="Delimiter">;</span>
      for <span class="Delimiter">(</span>long long int j = <span class="Constant">0</span><span class="Delimiter">;</span> j &lt; SIZE<span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
        if <span class="Delimiter">(</span>j &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">':'</span><span class="Delimiter">;</span>
        out &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
      <span class="Delimiter">}</span>
      if <span class="Delimiter">(</span>i &lt; SIZE<span class="Delimiter">(</span>properties<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
      else out &lt;&lt; <span class="Constant">&quot;]&quot;</span><span class="Delimiter">;</span>
    <span class="Delimiter">}</span>
  <span class="Delimiter">}</span>
  out &lt;&lt; <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
<span class="CommentedCode">//?   if (properties.at(0).second.empty()) cerr &lt;&lt; out.str(); //? 1</span>
  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span class="Delimiter">}</span>

string instruction::to_string<span class="Delimiter">()</span> const <span class="Delimiter">{</span>
  if <span class="Delimiter">(</span>is_label<span class="Delimiter">)</span> <span class="Identifier">return</span> label<span class="Delimiter">;</span>
  ostringstream out<span class="Delimiter">;</span>
  for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
    if <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
    out &lt;&lt; products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
  <span class="Delimiter">}</span>
  if <span class="Delimiter">(</span>!products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; &lt;- &quot;</span><span class="Delimiter">;</span>
  out &lt;&lt; name &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
  for <span class="Delimiter">(</span>long long int i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
    if <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
    out &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
  <span class="Delimiter">}</span>
  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span class="Delimiter">}</span>

string slurp_until<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> char delim<span class="Delimiter">)</span> <span class="Delimiter">{</span>
  ostringstream out<span class="Delimiter">;</span>
  char c<span class="Delimiter">;</span>
  while <span class="Delimiter">(</span>in &gt;&gt; c<span class="Delimiter">)</span> <span class="Delimiter">{</span>
    if <span class="Delimiter">(</span>c == delim<span class="Delimiter">)</span> <span class="Delimiter">{</span>
      <span class="Comment">// drop the delim</span>
      <span class="Identifier">break</span><span class="Delimiter">;</span>
    <span class="Delimiter">}</span>
    out &lt;&lt; c<span class="Delimiter">;</span>
  <span class="Delimiter">}</span>
  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span class="Delimiter">}</span>

bool has_property<span class="Delimiter">(</span>reagent x<span class="Delimiter">,</span> string name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
  for <span class="Delimiter">(</span>long long int i = <span class="Comment">/*</span><span class="Comment">skip name:type</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
    if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
  <span class="Delimiter">}</span>
  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>

vector&lt;string&gt; property<span class="Delimiter">(</span>const reagent&amp; r<span class="Delimiter">,</span> const string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
  for <span class="Delimiter">(</span>long long int p = <span class="Comment">/*</span><span class="Comment">skip name:type</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> p != SIZE<span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
    if <span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span>
      <span class="Identifier">return</span> r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
  <span class="Delimiter">}</span>
  <span class="Identifier">return</span> vector&lt;string&gt;<span class="Delimiter">();</span>
<span class="Delimiter">}</span>

void dump_memory<span class="Delimiter">()</span> <span class="Delimiter">{</span>
  for <span class="Delimiter">(</span>map&lt;long long int<span class="Delimiter">,</span> double&gt;::iterator p = Memory<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != Memory<span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
    cout &lt;&lt; p<span class="Delimiter">-&gt;</span>first &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; p<span class="Delimiter">-&gt;</span>second &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
  <span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(before &quot;End Includes&quot;)</span>
<span class="PreProc">#include</span><span class="Constant">&lt;utility&gt;</span>
using std::pair<span class="Delimiter">;</span>
</pre>
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