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Jeremy Ashkenas 2011-01-30 19:40:59 -05:00
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6
documentation/index.html.erb
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@ -479,11 +479,13 @@ Expressions
over arrays, objects, and ranges. Comprehensions replace (and compile into) over arrays, objects, and ranges. Comprehensions replace (and compile into)
<b>for</b> loops, with optional guard clauses and the value of the current array index. <b>for</b> loops, with optional guard clauses and the value of the current array index.
Unlike for loops, array comprehensions are expressions, and can be returned Unlike for loops, array comprehensions are expressions, and can be returned
and assigned. They should be able to handle most places where you otherwise and assigned.
would use a loop, <b>each</b>/<b>forEach</b>, <b>map</b>, or <b>select</b>/<b>filter</b>.
</p> </p>
<%= code_for('array_comprehensions') %> <%= code_for('array_comprehensions') %>
<p> <p>
Comprehensions should be able to handle most places where you otherwise
would use a loop, <b>each</b>/<b>forEach</b>, <b>map</b>, or <b>select</b>/<b>filter</b>:
<tt>shortNames = (name for name in list when name.length &lt; 5)</tt><br />
If you know the start and end of your loop, or would like to step through If you know the start and end of your loop, or would like to step through
in fixed-size increments, you can use a range to specify the start and in fixed-size increments, you can use a range to specify the start and
end of your comprehension. end of your comprehension.

12
documentation/js/do.js
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@ -1,10 +1,10 @@
var fileName, _fn, _i, _len; var filename, _fn, _i, _len;
_fn = function(fileName) { _fn = function(filename) {
return fs.readFile(fileName, function(err, contents) { return fs.readFile(filename, function(err, contents) {
return compile(fileName, contents.toString()); return compile(filename, contents.toString());
}); });
}; };
for (_i = 0, _len = list.length; _i < _len; _i++) { for (_i = 0, _len = list.length; _i < _len; _i++) {
fileName = list[_i]; filename = list[_i];
_fn(fileName); _fn(filename);
} }

2
documentation/js/soaks.js
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@ -1,2 +1,2 @@
var zip, _ref; var zip, _ref;
zip = typeof lottery.drawWinner === "function" ? (_ref = lottery.drawWinner().address) != null ? _ref.zipcode : void 0 : void 0; zip = typeof lottery.drawWinner == "function" ? (_ref = lottery.drawWinner().address) != null ? _ref.zipcode : void 0 : void 0;

39
index.html
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@ -752,8 +752,7 @@ alert("The Field: " + rest);;'>run</div><br class='clear' /></div>
over arrays, objects, and ranges. Comprehensions replace (and compile into) over arrays, objects, and ranges. Comprehensions replace (and compile into)
<b>for</b> loops, with optional guard clauses and the value of the current array index. <b>for</b> loops, with optional guard clauses and the value of the current array index.
Unlike for loops, array comprehensions are expressions, and can be returned Unlike for loops, array comprehensions are expressions, and can be returned
and assigned. They should be able to handle most places where you otherwise and assigned.
would use a loop, <b>each</b>/<b>forEach</b>, <b>map</b>, or <b>select</b>/<b>filter</b>.
</p> </p>
<div class='code'><pre class="idle"><span class="Comment"><span class="Comment">#</span> Eat lunch.</span> <div class='code'><pre class="idle"><span class="Comment"><span class="Comment">#</span> Eat lunch.</span>
eat food <span class="Keyword">for</span> food <span class="Keyword">in</span> [<span class="String"><span class="String">'</span>toast<span class="String">'</span></span>, <span class="String"><span class="String">'</span>cheese<span class="String">'</span></span>, <span class="String"><span class="String">'</span>wine<span class="String">'</span></span>] eat food <span class="Keyword">for</span> food <span class="Keyword">in</span> [<span class="String"><span class="String">'</span>toast<span class="String">'</span></span>, <span class="String"><span class="String">'</span>cheese<span class="String">'</span></span>, <span class="String"><span class="String">'</span>wine<span class="String">'</span></span>]
@ -765,6 +764,9 @@ _ref <span class="Keyword">=</span> [<span class="String"><span class="String">'
} }
</pre><script>window.example9 = "# Eat lunch.\neat food for food in ['toast', 'cheese', 'wine']\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example9);'>load</div><br class='clear' /></div> </pre><script>window.example9 = "# Eat lunch.\neat food for food in ['toast', 'cheese', 'wine']\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example9);'>load</div><br class='clear' /></div>
<p> <p>
Comprehensions should be able to handle most places where you otherwise
would use a loop, <b>each</b>/<b>forEach</b>, <b>map</b>, or <b>select</b>/<b>filter</b>:
<tt>shortNames = (name for name in list when name.length &lt; 5)</tt><br />
If you know the start and end of your loop, or would like to step through If you know the start and end of your loop, or would like to step through
in fixed-size increments, you can use a range to specify the start and in fixed-size increments, you can use a range to specify the start and
end of your comprehension. end of your comprehension.
@ -911,21 +913,21 @@ lyrics = (function() {
provides the <tt>do</tt> keyword, which immediately invokes a passed function, provides the <tt>do</tt> keyword, which immediately invokes a passed function,
forwarding any arguments. forwarding any arguments.
</p> </p>
<div class='code'><pre class="idle"><span class="Keyword">for</span> fileName <span class="Keyword">in</span> list <div class='code'><pre class="idle"><span class="Keyword">for</span> filename <span class="Keyword">in</span> list
<span class="Keyword">do</span> <span class="FunctionArgument">(fileName)</span> <span class="Storage">-&gt;</span> <span class="Keyword">do</span> <span class="FunctionArgument">(filename)</span> <span class="Storage">-&gt;</span>
fs.readFile fileName, <span class="FunctionArgument">(err, contents)</span> <span class="Storage">-&gt;</span> fs.readFile filename, <span class="FunctionArgument">(err, contents)</span> <span class="Storage">-&gt;</span>
compile fileName, contents.toString() compile filename, contents.toString()
</pre><pre class="idle"><span class="Storage">var</span> fileName, _fn, _i, _len; </pre><pre class="idle"><span class="Storage">var</span> filename, _fn, _i, _len;
<span class="FunctionName">_fn</span> = <span class="Storage">function</span>(<span class="FunctionArgument">fileName</span>) { <span class="FunctionName">_fn</span> = <span class="Storage">function</span>(<span class="FunctionArgument">filename</span>) {
<span class="Keyword">return</span> fs.readFile(fileName, <span class="Storage">function</span>(err, contents) { <span class="Keyword">return</span> fs.readFile(filename, <span class="Storage">function</span>(err, contents) {
<span class="Keyword">return</span> <span class="LibraryFunction">compile</span>(fileName, contents.<span class="LibraryFunction">toString</span>()); <span class="Keyword">return</span> <span class="LibraryFunction">compile</span>(filename, contents.<span class="LibraryFunction">toString</span>());
}); });
}; };
<span class="Keyword">for</span> (_i <span class="Keyword">=</span> <span class="Number">0</span>, _len <span class="Keyword">=</span> list.<span class="LibraryConstant">length</span>; _i <span class="Keyword">&lt;</span> _len; _i<span class="Keyword">++</span>) { <span class="Keyword">for</span> (_i <span class="Keyword">=</span> <span class="Number">0</span>, _len <span class="Keyword">=</span> list.<span class="LibraryConstant">length</span>; _i <span class="Keyword">&lt;</span> _len; _i<span class="Keyword">++</span>) {
fileName <span class="Keyword">=</span> list[_i]; filename <span class="Keyword">=</span> list[_i];
_fn(fileName); _fn(filename);
} }
</pre><script>window.example13 = "for fileName in list\n do (fileName) ->\n fs.readFile fileName, (err, contents) ->\n compile fileName, contents.toString()"</script><div class='minibutton load' onclick='javascript: loadConsole(example13);'>load</div><br class='clear' /></div> </pre><script>window.example13 = "for filename in list\n do (filename) ->\n fs.readFile filename, (err, contents) ->\n compile filename, contents.toString()"</script><div class='minibutton load' onclick='javascript: loadConsole(example13);'>load</div><br class='clear' /></div>
<p> <p>
<span id="slices" class="bookmark"></span> <span id="slices" class="bookmark"></span>
@ -1220,7 +1222,7 @@ footprints = typeof yeti != "undefined" && yeti !== null ? yeti : "bear";;alert(
</p> </p>
<div class='code'><pre class="idle">zip <span class="Keyword">=</span> lottery.drawWinner<span class="Keyword">?</span>().address<span class="Keyword">?</span>.zipcode <div class='code'><pre class="idle">zip <span class="Keyword">=</span> lottery.drawWinner<span class="Keyword">?</span>().address<span class="Keyword">?</span>.zipcode
</pre><pre class="idle"><span class="Storage">var</span> zip, _ref; </pre><pre class="idle"><span class="Storage">var</span> zip, _ref;
zip <span class="Keyword">=</span> <span class="Keyword">typeof</span> lottery.drawWinner <span class="Keyword">===</span> <span class="String"><span class="String">&quot;</span>function<span class="String">&quot;</span></span> ? (_ref <span class="Keyword">=</span> lottery.drawWinner().address) <span class="Keyword">!</span><span class="Keyword">=</span> <span class="BuiltInConstant">null</span> ? _ref.zipcode : <span class="Storage">void</span> <span class="Number">0</span> : <span class="Storage">void</span> <span class="Number">0</span>; zip <span class="Keyword">=</span> <span class="Keyword">typeof</span> lottery.drawWinner <span class="Keyword">==</span> <span class="String"><span class="String">&quot;</span>function<span class="String">&quot;</span></span> ? (_ref <span class="Keyword">=</span> lottery.drawWinner().address) <span class="Keyword">!</span><span class="Keyword">=</span> <span class="BuiltInConstant">null</span> ? _ref.zipcode : <span class="Storage">void</span> <span class="Number">0</span> : <span class="Storage">void</span> <span class="Number">0</span>;
</pre><script>window.example22 = "zip = lottery.drawWinner?().address?.zipcode\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example22);'>load</div><br class='clear' /></div> </pre><script>window.example22 = "zip = lottery.drawWinner?().address?.zipcode\n"</script><div class='minibutton load' onclick='javascript: loadConsole(example22);'>load</div><br class='clear' /></div>
<p> <p>
Soaking up nulls is similar to Ruby's Soaking up nulls is similar to Ruby's
@ -1918,6 +1920,10 @@ task(<span class="String"><span class="String">'</span>build:parser<span class="
<b>yeungda</b>'s <a href="http://yeungda.github.com/coffeescript-idea/">coffeescript-idea</a> <b>yeungda</b>'s <a href="http://yeungda.github.com/coffeescript-idea/">coffeescript-idea</a>
&mdash; a plugin for IntelliJ IDEA and RubyMine providing syntax highlighting. &mdash; a plugin for IntelliJ IDEA and RubyMine providing syntax highlighting.
</li> </li>
<li>
<b>dhotson</b>'s <a href="https://github.com/dhotson/coffeescript-jedit">coffeescript-jedit</a>
&mdash; which provides syntax highlighting support in jEdit.
</li>
<li> <li>
<b>mattly</b>'s <a href="http://github.com/mattly/rack-coffee">rack-coffee</a> <b>mattly</b>'s <a href="http://github.com/mattly/rack-coffee">rack-coffee</a>
&mdash; a small Rack middleware for serving CoffeeScript files as &mdash; a small Rack middleware for serving CoffeeScript files as
@ -1943,11 +1949,6 @@ task(<span class="String"><span class="String">'</span>build:parser<span class="
&mdash; a custom filter for rendering CoffeeScript inline within &mdash; a custom filter for rendering CoffeeScript inline within
<a href="http://haml-lang.com/">HAML</a> templates. <a href="http://haml-lang.com/">HAML</a> templates.
</li> </li>
<li>
<b>chrislloyd</b>'s <a href="http://github.com/chrislloyd/roast">Roast</a>
&mdash; a CoffeeScript compiler plug-in that allows you to include external
source files.
</li>
<li> <li>
<b>andrzejsliwa</b>'s <a href="http://github.com/andrzejsliwa/coffeeapp">CoffeeApp</a> <b>andrzejsliwa</b>'s <a href="http://github.com/andrzejsliwa/coffeeapp">CoffeeApp</a>
&mdash; a CoffeeScript wrapper for CouchApps, web applications served &mdash; a CoffeeScript wrapper for CouchApps, web applications served

2
lib/repl.js
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@ -24,7 +24,7 @@
filename: 'repl' filename: 'repl'
}); });
if (val !== void 0) { if (val !== void 0) {
console.log(val); process.stdout.write(val + '\n');
} }
} catch (err) { } catch (err) {
error(err); error(err);

2
src/repl.coffee
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@ -32,7 +32,7 @@ run = (buffer) ->
backlog = '' backlog = ''
try try
val = CoffeeScript.eval code, bare: on, globals: on, filename: 'repl' val = CoffeeScript.eval code, bare: on, globals: on, filename: 'repl'
console.log val if val isnt undefined process.stdout.write val + '\n' if val isnt undefined
catch err catch err
error err error err
repl.prompt() repl.prompt()