blob: da54e95f7dfbe4a04aa3d3ed7a8c1a5da2cf8029 (
plain) (
tree)
|
|
<!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_v2">
<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-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; }
* { font-size: 12pt; font-size: 1em; }
.muRecipe { color: #ff8700; }
.Delimiter { color: #800080; }
.Comment { color: #9090ff; }
.Constant { color: #00a0a0; }
.Special { color: #c00000; }
.muControl { color: #c0a020; }
-->
</style>
<script type='text/javascript'>
<!--
-->
</script>
</head>
<body>
<pre id='vimCodeElement'>
<span class="Comment"># example program: constructing functions 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">def</span> factorial n:number<span class="muRecipe"> -> </span>result:number [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</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> <span class="Constant"><base-case></span> [
<span class="Comment"># if n=0 return 1</span>
zero?:boolean<span class="Special"> <- </span>equal n, <span class="Constant">0</span>
<span class="muControl">break-unless</span> zero?
<span class="muControl">return</span> <span class="Constant">1</span>
]
<span class="muRecipe">after</span> <span class="Constant"><recursive-case></span> [
<span class="Comment"># return n * factorial(n - 1)</span>
x:number<span class="Special"> <- </span>subtract n, <span class="Constant">1</span>
subresult:number<span class="Special"> <- </span>factorial x
result<span class="Special"> <- </span>multiply subresult, n
]
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:number<span class="Special"> <- </span>factorial <span class="Constant">5</span>
<span class="Comment"># trailing space in next line is to help with syntax highlighting</span>
$print <span class="Constant">[result: ]</span>, <span class="Constant">1</span>:number, <span class="Constant">[ </span>
<span class="Constant">]</span>
]
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|