about summary refs log blame commit diff stats
path: root/html/tangle.mu.html
blob: e3dba023f9d8bdca5fb1bffd6c04c3c211a29589 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12



                                                                                          
                             






                                                                                         

                                                                                                 
                        
                             

                             
                            

                              



















                                                                                                        
                                           
                                                                                           
                                  
                                            
                                  
                                               

 
                                                
                                                


                                                                                           

 
                                                     
                                                            



                                                                                         


                                           

                                                                                                                     





                                     
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - tangle.mu</title>
<meta name="Generator" content="Vim/7.4">
<meta name="plugin-version" content="vim7.4_v1">
<meta name="syntax" content="none">
<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
body { font-family: monospace; color: #eeeeee; background-color: #080808; }
* { font-size: 1.05em; }
.muRecipe { color: #ff8700; }
.Comment { color: #9090ff; }
.Constant { color: #00a0a0; }
.Special { color: #ff6060; }
.Delimiter { color: #a04060; }
.muControl { color: #c0a020; }
-->
</style>

<script type='text/javascript'>
<!--

-->
</script>
</head>
<body>
<pre id='vimCodeElement'>
<span class="Comment"># example program: constructing recipes out of order</span>
<span class="Comment">#</span>
<span class="Comment"># We construct a factorial function with separate base and recursive cases.</span>
<span class="Comment"># Compare factorial.mu.</span>
<span class="Comment">#</span>
<span class="Comment"># This isn't a very tasteful example, just a simple demonstration of</span>
<span class="Comment"># possibilities.</span>

<span class="muRecipe">recipe</span> factorial [
  <span class="Constant">local-scope</span>
  n:number<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
  <span class="Delimiter">{</span>
<span class="Constant">    +base-case</span>
  <span class="Delimiter">}</span>
<span class="Constant">  +recursive-case</span>
]

<span class="muRecipe">after</span> +base-case [
  <span class="Comment"># if n=0 return 1</span>
  zero?:boolean<span class="Special"> &lt;- </span>equal n, <span class="Constant">0</span>
  <span class="muControl">break-unless</span> zero?
  <span class="muControl">reply</span> <span class="Constant">1</span>
]

<span class="muRecipe">after</span> +recursive-case [
  <span class="Comment"># return n * factorial(n - 1)</span>
  x:number<span class="Special"> &lt;- </span>subtract n, <span class="Constant">1</span>
  subresult:number<span class="Special"> &lt;- </span>factorial x
  result:number<span class="Special"> &lt;- </span>multiply subresult, n
  <span class="muControl">reply</span> result
]

<span class="muRecipe">recipe</span> main [
  <span class="Constant">1</span>:number<span class="Special"> &lt;- </span>factorial <span class="Constant">5</span>
  $print <span class="Constant">[result: ]</span>, <span class="Constant">1</span>:number, [
]
]
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->