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authorKartik K. Agaram <vc@akkartik.com>2016-03-26 23:59:59 -0700
committerKartik K. Agaram <vc@akkartik.com>2016-03-27 17:43:41 -0700
commita654e4ecace2d506d1b10f1dde2c287ebe84ef37 (patch)
tree1e34a3ad99a56e32bdf9ee03ecfe7d339e7942ae /html/073array.mu.html
parent859f35fbe2f6a78157b875e12eb7dc8cd95c1152 (diff)
downloadmu-a654e4ecace2d506d1b10f1dde2c287ebe84ef37.tar.gz
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+<!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 - 073array.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; }
+.muScenario { color: #00af00; }
+.Delimiter { color: #800080; }
+.muRecipe { color: #ff8700; }
+.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="muScenario">scenario</span> array-from-args [
+  run [
+    <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new-array <span class="Constant">0</span>, <span class="Constant">1</span>, <span class="Constant">2</span>
+    <span class="Constant">2</span>:array:character<span class="Special"> &lt;- </span>copy *<span class="Constant">1</span>:address:shared:array:character
+  ]
+  memory-should-contain [
+    <span class="Constant">2</span><span class="Special"> &lt;- </span><span class="Constant">3</span>  <span class="Comment"># array length</span>
+    <span class="Constant">3</span><span class="Special"> &lt;- </span><span class="Constant">0</span>
+    <span class="Constant">4</span><span class="Special"> &lt;- </span><span class="Constant">1</span>
+    <span class="Constant">5</span><span class="Special"> &lt;- </span><span class="Constant">2</span>
+  ]
+]
+
+<span class="Comment"># create an array out of a list of scalar args</span>
+<span class="muRecipe">def</span> new-array<span class="muRecipe"> -&gt; </span>result:address:shared:array:character [
+  <span class="Constant">local-scope</span>
+  capacity:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+  <span class="Delimiter">{</span>
+    <span class="Comment"># while read curr-value</span>
+    curr-value:character, exists?:boolean<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+    <span class="muControl">break-unless</span> exists?
+    capacity<span class="Special"> &lt;- </span>add capacity, <span class="Constant">1</span>
+    <span class="muControl">loop</span>
+  <span class="Delimiter">}</span>
+  result<span class="Special"> &lt;- </span>new <span class="Constant">character:type</span>, capacity
+  rewind-ingredients
+  i:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+  <span class="Delimiter">{</span>
+    <span class="Comment"># while read curr-value</span>
+    done?:boolean<span class="Special"> &lt;- </span>greater-or-equal i, capacity
+    <span class="muControl">break-if</span> done?
+    curr-value:character, exists?:boolean<span class="Special"> &lt;- </span><span class="Constant">next-ingredient</span>
+    assert exists?, <span class="Constant">[error in rewinding ingredients to new-array]</span>
+    tmp:address:character<span class="Special"> &lt;- </span>index-address *result, i
+    *tmp<span class="Special"> &lt;- </span>copy curr-value
+    i<span class="Special"> &lt;- </span>add i, <span class="Constant">1</span>
+    <span class="muControl">loop</span>
+  <span class="Delimiter">}</span>
+  <span class="muControl">return</span> result
+]
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->