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| author | Kartik K. Agaram <vc@akkartik.com> | 2017-11-06 01:28:53 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2017-11-06 01:28:53 -0800 |
| commit | d55e77387fd9cc3eae2f17a6c1993f3bcb061a60 (patch) | |
| tree | ff395f7d64f196c68560654b027fb1e59bf8bccc /html/continuation4.mu.html | |
| parent | 3b776ac3843e925ee24f49e8df51ab6a1db6c085 (diff) | |
| download | mu-d55e77387fd9cc3eae2f17a6c1993f3bcb061a60.tar.gz | |
4117 - done with delimited continuations
At least this particular implementation of them. Let's play with them now for a while, see if they're fully equivalent to shift/reduce.
Diffstat (limited to 'html/continuation4.mu.html')
| -rw-r--r-- | html/continuation4.mu.html | 77 |
1 files changed, 42 insertions, 35 deletions
diff --git a/html/continuation4.mu.html b/html/continuation4.mu.html index 546a5533..e59c5aa4 100644 --- a/html/continuation4.mu.html +++ b/html/continuation4.mu.html @@ -58,41 +58,48 @@ if ('onhashchange' in window) { </head> <body onload='JumpToLine();'> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="Comment"># example program showing 'return-continuation-until-mark' return other values</span> -<span id="L2" class="LineNr"> 2 </span><span class="Comment"># alongside continuations</span> -<span id="L3" class="LineNr"> 3 </span> -<span id="L4" class="LineNr"> 4 </span><span class="muRecipe">def</span> <a href='continuation4.mu.html#L4'>main</a> [ -<span id="L5" class="LineNr"> 5 </span> <span class="Constant">local-scope</span> -<span id="L6" class="LineNr"> 6 </span> l:&:<a href='064list.mu.html#L6'>list</a>:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L7" class="LineNr"> 7 </span> l <span class="Special"><-</span> push<span class="Constant"> 3</span>, l -<span id="L8" class="LineNr"> 8 </span> l <span class="Special"><-</span> push<span class="Constant"> 2</span>, l -<span id="L9" class="LineNr"> 9 </span> l <span class="Special"><-</span> push<span class="Constant"> 1</span>, l -<span id="L10" class="LineNr">10 </span> k:continuation, x:num, done?:bool <span class="Special"><-</span> call-with-continuation-mark <a href='continuation4.mu.html#L19'>create-yielder</a>, l -<span id="L11" class="LineNr">11 </span> <span class="Delimiter">{</span> -<span id="L12" class="LineNr">12 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L13" class="LineNr">13 </span> <span class="Conceal">¦</span> $print x <span class="Constant">10/newline</span> -<span id="L14" class="LineNr">14 </span> <span class="Conceal">¦</span> k, x:num, done?:bool <span class="Special"><-</span> call k -<span id="L15" class="LineNr">15 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L16" class="LineNr">16 </span> <span class="Delimiter">}</span> -<span id="L17" class="LineNr">17 </span>] -<span id="L18" class="LineNr">18 </span> -<span id="L19" class="LineNr">19 </span><span class="muRecipe">def</span> <a href='continuation4.mu.html#L19'>create-yielder</a> l:&:<a href='064list.mu.html#L6'>list</a>:num<span class="muRecipe"> -> </span>n:num, done?:bool [ -<span id="L20" class="LineNr">20 </span> <span class="Constant">local-scope</span> -<span id="L21" class="LineNr">21 </span> <span class="Constant">load-ingredients</span> -<span id="L22" class="LineNr">22 </span> <span class="Delimiter">{</span> -<span id="L23" class="LineNr">23 </span> <span class="Conceal">¦</span> done? <span class="Special"><-</span> equal l,<span class="Constant"> 0</span> -<span id="L24" class="LineNr">24 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L25" class="LineNr">25 </span> <span class="Conceal">¦</span> n <span class="Special"><-</span> first l -<span id="L26" class="LineNr">26 </span> <span class="Conceal">¦</span> l <span class="Special"><-</span> <a href='064list.mu.html#L24'>rest</a> l -<span id="L27" class="LineNr">27 </span> <span class="Conceal">¦</span> return-continuation-until-mark n, done? -<span id="L28" class="LineNr">28 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> -<span id="L29" class="LineNr">29 </span> <span class="Delimiter">}</span> -<span id="L30" class="LineNr">30 </span> <span class="Comment"># A function that returns continuations shouldn't get the opportunity to</span> -<span id="L31" class="LineNr">31 </span> <span class="Comment"># return. Calling functions should stop calling its continuation after this</span> -<span id="L32" class="LineNr">32 </span> <span class="Comment"># point.</span> -<span id="L33" class="LineNr">33 </span> return-continuation-until-mark<span class="Constant"> -1</span>, done? -<span id="L34" class="LineNr">34 </span> assert <span class="Constant">0/false</span>, <span class="Constant">[called too many times, ran out of continuations to return]</span> -<span id="L35" class="LineNr">35 </span>] +<span id="L1" class="LineNr"> 1 </span><span class="Comment"># Example program showing 'return-continuation-until-mark' return other values</span> +<span id="L2" class="LineNr"> 2 </span><span class="Comment"># alongside continuations.</span> +<span id="L3" class="LineNr"> 3 </span><span class="Comment">#</span> +<span id="L4" class="LineNr"> 4 </span><span class="Comment"># Print out a given list of numbers.</span> +<span id="L5" class="LineNr"> 5 </span><span class="Comment">#</span> +<span id="L6" class="LineNr"> 6 </span><span class="Comment"># Expected output:</span> +<span id="L7" class="LineNr"> 7 </span><span class="Comment"># 1</span> +<span id="L8" class="LineNr"> 8 </span><span class="Comment"># 2</span> +<span id="L9" class="LineNr"> 9 </span><span class="Comment"># 3</span> +<span id="L10" class="LineNr">10 </span> +<span id="L11" class="LineNr">11 </span><span class="muRecipe">def</span> <a href='continuation4.mu.html#L11'>main</a> [ +<span id="L12" class="LineNr">12 </span> <span class="Constant">local-scope</span> +<span id="L13" class="LineNr">13 </span> l:&:<a href='064list.mu.html#L6'>list</a>:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L14" class="LineNr">14 </span> l <span class="Special"><-</span> push<span class="Constant"> 3</span>, l +<span id="L15" class="LineNr">15 </span> l <span class="Special"><-</span> push<span class="Constant"> 2</span>, l +<span id="L16" class="LineNr">16 </span> l <span class="Special"><-</span> push<span class="Constant"> 1</span>, l +<span id="L17" class="LineNr">17 </span> k:continuation, x:num, done?:bool <span class="Special"><-</span> call-with-continuation-mark <a href='continuation4.mu.html#L26'>create-yielder</a>, l +<span id="L18" class="LineNr">18 </span> <span class="Delimiter">{</span> +<span id="L19" class="LineNr">19 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? +<span id="L20" class="LineNr">20 </span> <span class="Conceal">¦</span> $print x <span class="Constant">10/newline</span> +<span id="L21" class="LineNr">21 </span> <span class="Conceal">¦</span> k, x:num, done?:bool <span class="Special"><-</span> call k +<span id="L22" class="LineNr">22 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L23" class="LineNr">23 </span> <span class="Delimiter">}</span> +<span id="L24" class="LineNr">24 </span>] +<span id="L25" class="LineNr">25 </span> +<span id="L26" class="LineNr">26 </span><span class="muRecipe">def</span> <a href='continuation4.mu.html#L26'>create-yielder</a> l:&:<a href='064list.mu.html#L6'>list</a>:num<span class="muRecipe"> -> </span>n:num, done?:bool [ +<span id="L27" class="LineNr">27 </span> <span class="Constant">local-scope</span> +<span id="L28" class="LineNr">28 </span> <span class="Constant">load-ingredients</span> +<span id="L29" class="LineNr">29 </span> <span class="Delimiter">{</span> +<span id="L30" class="LineNr">30 </span> <span class="Conceal">¦</span> done? <span class="Special"><-</span> equal l,<span class="Constant"> 0</span> +<span id="L31" class="LineNr">31 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? +<span id="L32" class="LineNr">32 </span> <span class="Conceal">¦</span> n <span class="Special"><-</span> first l +<span id="L33" class="LineNr">33 </span> <span class="Conceal">¦</span> l <span class="Special"><-</span> <a href='064list.mu.html#L24'>rest</a> l +<span id="L34" class="LineNr">34 </span> <span class="Conceal">¦</span> return-continuation-until-mark n, done? +<span id="L35" class="LineNr">35 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> +<span id="L36" class="LineNr">36 </span> <span class="Delimiter">}</span> +<span id="L37" class="LineNr">37 </span> <span class="Comment"># A function that returns continuations shouldn't get the opportunity to</span> +<span id="L38" class="LineNr">38 </span> <span class="Comment"># return. Calling functions should stop calling its continuation after this</span> +<span id="L39" class="LineNr">39 </span> <span class="Comment"># point.</span> +<span id="L40" class="LineNr">40 </span> return-continuation-until-mark<span class="Constant"> -1</span>, done? +<span id="L41" class="LineNr">41 </span> assert <span class="Constant">0/false</span>, <span class="Constant">[called too many times, ran out of continuations to return]</span> +<span id="L42" class="LineNr">42 </span>] </pre> </body> </html> |