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| -rw-r--r-- | html/same-fringe.mu.html | 62 | ||||
| -rw-r--r-- | same-fringe.mu | 4 |
2 files changed, 33 insertions, 33 deletions
diff --git a/html/same-fringe.mu.html b/html/same-fringe.mu.html index 329f4393..bc49aae9 100644 --- a/html/same-fringe.mu.html +++ b/html/same-fringe.mu.html @@ -3,7 +3,7 @@ <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - same-fringe.mu</title> -<meta name="Generator" content="Vim/7.4"> +<meta name="Generator" content="Vim/8.0"> <meta name="plugin-version" content="vim7.4_v2"> <meta name="syntax" content="none"> <meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> @@ -15,16 +15,16 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } -.muRecipe { color: #ff8700; } -.Special { color: #c00000; } .Conceal { color: #4e4e4e; } +.muData { color: #ffff00; } +.LineNr { color: #444444; } .Delimiter { color: #800080; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .Constant { color: #00a0a0; } -.LineNr { color: #444444; } +.Special { color: #c00000; } .muControl { color: #c0a020; } -.muData { color: #ffff00; } +.muRecipe { color: #ff8700; } --> </style> @@ -59,40 +59,40 @@ if ('onhashchange' in window) { </head> <body onload='JumpToLine();'> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="Comment"># Another example of continuations: the 'same fringe' problem</span> -<span id="L2" class="LineNr"> 2 </span><span class="Comment"># <a href="http://wiki.c2.com/?SameFringeProblem">http://wiki.c2.com/?SameFringeProblem</a></span> +<span id="L1" class="LineNr"> 1 </span><span class="Comment"># The 'same fringe' problem: <a href="http://wiki.c2.com/?SameFringeProblem">http://wiki.c2.com/?SameFringeProblem</a></span> +<span id="L2" class="LineNr"> 2 </span><span class="Comment"># Example program demonstrating coroutines using Mu's delimited continuations.</span> <span id="L3" class="LineNr"> 3 </span><span class="Comment">#</span> <span id="L4" class="LineNr"> 4 </span><span class="Comment"># Expected output:</span> <span id="L5" class="LineNr"> 5 </span><span class="Comment"># 1</span> <span id="L6" class="LineNr"> 6 </span><span class="Comment"># (i.e. that the two given trees x and y have the same leaves, in the same</span> <span id="L7" class="LineNr"> 7 </span><span class="Comment"># order from left to right)</span> <span id="L8" class="LineNr"> 8 </span> -<span id="L9" class="LineNr"> 9 </span><span class="muData">container</span> <a href='same-fringe.mu.html#L9'>tree</a>:_elem [ +<span id="L9" class="LineNr"> 9 </span><span class="muData">container</span> tree:_elem [ <span id="L10" class="LineNr">10 </span> val:_elem -<span id="L11" class="LineNr">11 </span> left:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem -<span id="L12" class="LineNr">12 </span> right:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem +<span id="L11" class="LineNr">11 </span> left:&:tree:_elem +<span id="L12" class="LineNr">12 </span> right:&:tree:_elem <span id="L13" class="LineNr">13 </span>] <span id="L14" class="LineNr">14 </span> -<span id="L15" class="LineNr">15 </span><span class="muRecipe">def</span> <a href='same-fringe.mu.html#L15'>main</a> [ +<span id="L15" class="LineNr">15 </span><span class="muRecipe">def</span> main [ <span id="L16" class="LineNr">16 </span> <span class="Constant">local-scope</span> <span id="L17" class="LineNr">17 </span> <span class="Comment"># x: ((a b) c)</span> <span id="L18" class="LineNr">18 </span> <span class="Comment"># y: (a (b c))</span> -<span id="L19" class="LineNr">19 </span> a:&:<a href='same-fringe.mu.html#L9'>tree</a>:num <span class="Special"><-</span> new-tree<span class="Constant"> 3</span> -<span id="L20" class="LineNr">20 </span> b:&:<a href='same-fringe.mu.html#L9'>tree</a>:num <span class="Special"><-</span> new-tree<span class="Constant"> 4</span> -<span id="L21" class="LineNr">21 </span> c:&:<a href='same-fringe.mu.html#L9'>tree</a>:num <span class="Special"><-</span> new-tree<span class="Constant"> 5</span> -<span id="L22" class="LineNr">22 </span> x1:&:<a href='same-fringe.mu.html#L9'>tree</a>:num <span class="Special"><-</span> new-tree a, b -<span id="L23" class="LineNr">23 </span> x:&:<a href='same-fringe.mu.html#L9'>tree</a>:num <span class="Special"><-</span> new-tree x1, c -<span id="L24" class="LineNr">24 </span> y1:&:<a href='same-fringe.mu.html#L9'>tree</a>:num <span class="Special"><-</span> new-tree b, c -<span id="L25" class="LineNr">25 </span> y:&:<a href='same-fringe.mu.html#L9'>tree</a>:num <span class="Special"><-</span> new-tree a, y1 -<span id="L26" class="LineNr">26 </span> result:bool <span class="Special"><-</span> <a href='same-fringe.mu.html#L30'>same-fringe</a> x, y +<span id="L19" class="LineNr">19 </span> a:&:tree:num <span class="Special"><-</span> new-tree<span class="Constant"> 3</span> +<span id="L20" class="LineNr">20 </span> b:&:tree:num <span class="Special"><-</span> new-tree<span class="Constant"> 4</span> +<span id="L21" class="LineNr">21 </span> c:&:tree:num <span class="Special"><-</span> new-tree<span class="Constant"> 5</span> +<span id="L22" class="LineNr">22 </span> x1:&:tree:num <span class="Special"><-</span> new-tree a, b +<span id="L23" class="LineNr">23 </span> x:&:tree:num <span class="Special"><-</span> new-tree x1, c +<span id="L24" class="LineNr">24 </span> y1:&:tree:num <span class="Special"><-</span> new-tree b, c +<span id="L25" class="LineNr">25 </span> y:&:tree:num <span class="Special"><-</span> new-tree a, y1 +<span id="L26" class="LineNr">26 </span> result:bool <span class="Special"><-</span> same-fringe x, y <span id="L27" class="LineNr">27 </span> $print result <span class="Constant">10/newline</span> <span id="L28" class="LineNr">28 </span>] <span id="L29" class="LineNr">29 </span> -<span id="L30" class="LineNr">30 </span><span class="muRecipe">def</span> <a href='same-fringe.mu.html#L30'>same-fringe</a> a:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem, b:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem<span class="muRecipe"> -> </span>result:bool [ +<span id="L30" class="LineNr">30 </span><span class="muRecipe">def</span> same-fringe a:&:tree:_elem, b:&:tree:_elem<span class="muRecipe"> -> </span>result:bool [ <span id="L31" class="LineNr">31 </span> <span class="Constant">local-scope</span> <span id="L32" class="LineNr">32 </span> <span class="Constant">load-inputs</span> -<span id="L33" class="LineNr">33 </span> k1:continuation <span class="Special"><-</span> call-with-continuation-mark <a href='same-fringe.mu.html#L48'>process</a>, a -<span id="L34" class="LineNr">34 </span> k2:continuation <span class="Special"><-</span> call-with-continuation-mark <a href='same-fringe.mu.html#L48'>process</a>, b +<span id="L33" class="LineNr">33 </span> k1:continuation <span class="Special"><-</span> call-with-continuation-mark process, a +<span id="L34" class="LineNr">34 </span> k2:continuation <span class="Special"><-</span> call-with-continuation-mark process, b <span id="L35" class="LineNr">35 </span> <span class="Delimiter">{</span> <span id="L36" class="LineNr">36 </span> <span class="Conceal">¦</span> k1, x:_elem, a-done?:bool <span class="Special"><-</span> call k1 <span id="L37" class="LineNr">37 </span> <span class="Conceal">¦</span> k2, y:_elem, b-done?:bool <span class="Special"><-</span> call k2 @@ -106,25 +106,25 @@ if ('onhashchange' in window) { <span id="L45" class="LineNr">45 </span>] <span id="L46" class="LineNr">46 </span> <span id="L47" class="LineNr">47 </span><span class="Comment"># harness around traversal</span> -<span id="L48" class="LineNr">48 </span><span class="muRecipe">def</span> <a href='same-fringe.mu.html#L48'>process</a> t:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem [ +<span id="L48" class="LineNr">48 </span><span class="muRecipe">def</span> process t:&:tree:_elem [ <span id="L49" class="LineNr">49 </span> <span class="Constant">local-scope</span> <span id="L50" class="LineNr">50 </span> <span class="Constant">load-inputs</span> <span id="L51" class="LineNr">51 </span> return-continuation-until-mark <span class="Comment"># initial</span> -<span id="L52" class="LineNr">52 </span> <a href='same-fringe.mu.html#L59'>traverse</a> t +<span id="L52" class="LineNr">52 </span> traverse t <span id="L53" class="LineNr">53 </span> zero-val:&:_elem <span class="Special"><-</span> new <span class="Constant">_elem:type</span> <span id="L54" class="LineNr">54 </span> return-continuation-until-mark *zero-val, <span class="Constant">1/done</span> <span class="Comment"># final</span> <span id="L55" class="LineNr">55 </span> assert <span class="Constant">0/false</span>, <span class="Constant">[continuation called past done]</span> <span id="L56" class="LineNr">56 </span>] <span id="L57" class="LineNr">57 </span> <span id="L58" class="LineNr">58 </span><span class="Comment"># core traversal</span> -<span id="L59" class="LineNr">59 </span><span class="muRecipe">def</span> <a href='same-fringe.mu.html#L59'>traverse</a> t:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem [ +<span id="L59" class="LineNr">59 </span><span class="muRecipe">def</span> traverse t:&:tree:_elem [ <span id="L60" class="LineNr">60 </span> <span class="Constant">local-scope</span> <span id="L61" class="LineNr">61 </span> <span class="Constant">load-inputs</span> <span id="L62" class="LineNr">62 </span> <span class="muControl">return-unless</span> t -<span id="L63" class="LineNr">63 </span> l:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem <span class="Special"><-</span> get *t, <span class="Constant">left:offset</span> -<span id="L64" class="LineNr">64 </span> <a href='same-fringe.mu.html#L59'>traverse</a> l -<span id="L65" class="LineNr">65 </span> r:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem <span class="Special"><-</span> get *t, <span class="Constant">right:offset</span> -<span id="L66" class="LineNr">66 </span> <a href='same-fringe.mu.html#L59'>traverse</a> r +<span id="L63" class="LineNr">63 </span> l:&:tree:_elem <span class="Special"><-</span> get *t, <span class="Constant">left:offset</span> +<span id="L64" class="LineNr">64 </span> traverse l +<span id="L65" class="LineNr">65 </span> r:&:tree:_elem <span class="Special"><-</span> get *t, <span class="Constant">right:offset</span> +<span id="L66" class="LineNr">66 </span> traverse r <span id="L67" class="LineNr">67 </span> <span class="muControl">return-if</span> l <span id="L68" class="LineNr">68 </span> <span class="muControl">return-if</span> r <span id="L69" class="LineNr">69 </span> <span class="Comment"># leaf</span> @@ -134,14 +134,14 @@ if ('onhashchange' in window) { <span id="L73" class="LineNr">73 </span> <span id="L74" class="LineNr">74 </span><span class="Comment"># details</span> <span id="L75" class="LineNr">75 </span> -<span id="L76" class="LineNr">76 </span><span class="muRecipe">def</span> new-tree x:_elem<span class="muRecipe"> -> </span>result:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem [ +<span id="L76" class="LineNr">76 </span><span class="muRecipe">def</span> new-tree x:_elem<span class="muRecipe"> -> </span>result:&:tree:_elem [ <span id="L77" class="LineNr">77 </span> <span class="Constant">local-scope</span> <span id="L78" class="LineNr">78 </span> <span class="Constant">load-inputs</span> <span id="L79" class="LineNr">79 </span> result <span class="Special"><-</span> new <span class="Delimiter">{</span>(tree _elem): type<span class="Delimiter">}</span> <span id="L80" class="LineNr">80 </span> put *result, <span class="Constant">val:offset</span>, x <span id="L81" class="LineNr">81 </span>] <span id="L82" class="LineNr">82 </span> -<span id="L83" class="LineNr">83 </span><span class="muRecipe">def</span> new-tree l:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem, r:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem<span class="muRecipe"> -> </span>result:&:<a href='same-fringe.mu.html#L9'>tree</a>:_elem [ +<span id="L83" class="LineNr">83 </span><span class="muRecipe">def</span> new-tree l:&:tree:_elem, r:&:tree:_elem<span class="muRecipe"> -> </span>result:&:tree:_elem [ <span id="L84" class="LineNr">84 </span> <span class="Constant">local-scope</span> <span id="L85" class="LineNr">85 </span> <span class="Constant">load-inputs</span> <span id="L86" class="LineNr">86 </span> result <span class="Special"><-</span> new <span class="Delimiter">{</span>(tree _elem): type<span class="Delimiter">}</span> diff --git a/same-fringe.mu b/same-fringe.mu index fcf7a455..14719eb8 100644 --- a/same-fringe.mu +++ b/same-fringe.mu @@ -1,5 +1,5 @@ -# Another example of continuations: the 'same fringe' problem -# http://wiki.c2.com/?SameFringeProblem +# The 'same fringe' problem: http://wiki.c2.com/?SameFringeProblem +# Example program demonstrating coroutines using Mu's delimited continuations. # # Expected output: # 1 |