1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
<!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 - filesystem.mu</title>
<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=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; }
body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; }
a { color:#eeeeee; text-decoration: none; }
a:hover { text-decoration: underline; }
* { font-size: 12pt; font-size: 1em; }
.muControl { color: #c0a020; }
.muRecipe { color: #ff8700; }
.LineNr { color: #444444; }
.Delimiter { color: #800080; }
.Constant { color: #00a0a0; }
.Special { color: #c00000; }
.Comment { color: #9090ff; }
.Comment a { color:#0000ee; text-decoration:underline; }
-->
</style>
<script type='text/javascript'>
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
</script>
</head>
<body onload='JumpToLine();'>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment"># example program: copy one file into another, character by character</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment"># BEWARE: this will modify your file system</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment"># before running it, put some text into /tmp/mu-x</span>
<span id="L4" class="LineNr"> 4 </span><span class="Comment"># after running it, check /tmp/mu-y</span>
<span id="L5" class="LineNr"> 5 </span>
<span id="L6" class="LineNr"> 6 </span><span class="muRecipe">def</span> <a href='filesystem.mu.html#L6'>main</a> [
<span id="L7" class="LineNr"> 7 </span> <span class="Constant">local-scope</span>
<span id="L8" class="LineNr"> 8 </span> source-file:&:<a href='075channel.mu.html#L36'>source</a>:char <span class="Special"><-</span> <a href='088file.mu.html#L21'>start-reading</a><span class="Constant"> null/real-filesystem,</span> <span class="Constant">[/tmp/mu-x]</span>
<span id="L9" class="LineNr"> 9 </span> sink-file:&:<a href='075channel.mu.html#L40'>sink</a>:char, write-routine:num <span class="Special"><-</span> <a href='088file.mu.html#L105'>start-writing</a><span class="Constant"> null/real-filesystem,</span> <span class="Constant">[/tmp/mu-y]</span>
<span id="L10" class="LineNr">10 </span> <span class="Delimiter">{</span>
<span id="L11" class="LineNr">11 </span> c:char, done?:bool, source-file <span class="Special"><-</span> read source-file
<span id="L12" class="LineNr">12 </span> <span class="muControl">break-if</span> done?
<span id="L13" class="LineNr">13 </span> sink-file <span class="Special"><-</span> <a href='075channel.mu.html#L60'>write</a> sink-file, c
<span id="L14" class="LineNr">14 </span> <span class="muControl"> loop</span>
<span id="L15" class="LineNr">15 </span> <span class="Delimiter">}</span>
<span id="L16" class="LineNr">16 </span> close sink-file
<span id="L17" class="LineNr">17 </span> <span class="Comment"># make sure to wait for the file to be actually written to disk</span>
<span id="L18" class="LineNr">18 </span> <span class="Comment"># (Mu practices structured concurrency: <a href="http://250bpm.com/blog:71">http://250bpm.com/blog:71</a>)</span>
<span id="L19" class="LineNr">19 </span> wait-for-routine write-routine
<span id="L20" class="LineNr">20 </span>]
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|