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Adding precedence change note to changelog

This commit is contained in:
Jeremy Ashkenas 2010-12-01 14:17:10 -05:00
parent 1f5727fe9d
commit 69664a1bb3
5 changed files with 11 additions and 19 deletions
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6
documentation/index.html.erb
View File

@ -1016,9 +1016,11 @@ coffee --bare --print --stdio</pre>
many contributed from <b>satyr</b>'s <a href="http://github.com/satyr/coco">Coco</a>
dialect of CoffeeScript. Heregexes (extended regexes) were added. Functions
can now have default arguments. Class bodies are now executable code.
Improved syntax errors for invalid CoffeeScript. Object literals
can now take dynamic keys, like this: <tt>{(key): value}</tt>. <tt>undefined</tt> now
Improved syntax errors for invalid CoffeeScript. <tt>undefined</tt> now
works like <tt>null</tt>, and cannot be assigned a new value.
There was a precedence change with respect to single-line comprehensions:
<tt>result = i for i in list</tt><br /> used to parse as <tt>result = (i for i in list)</tt>
by default ... it now parses as <br /><tt>(result = i) for i in list</tt>.
</p>
<p>

2
documentation/js/expressions_comprehension.js
View File

@ -1,9 +1,7 @@
var globals, name, _results;
var __hasProp = Object.prototype.hasOwnProperty;
globals = (function() {
_results = [];
for (name in window) {
if (!__hasProp.call(window, name)) continue;
_results.push(name);
}
return _results;

2
documentation/js/object_comprehensions.js
View File

@ -1,5 +1,4 @@
var age, ages, child, yearsOld, _results;
var __hasProp = Object.prototype.hasOwnProperty;
yearsOld = {
max: 10,
ida: 9,
@ -8,7 +7,6 @@ yearsOld = {
ages = function() {
_results = [];
for (child in yearsOld) {
if (!__hasProp.call(yearsOld, child)) continue;
age = yearsOld[child];
_results.push(child + " is " + age);
}

2
documentation/js/splats.js
View File

@ -9,7 +9,7 @@ awardMedals = function() {
return rest = others;
};
contenders = ["Michael Phelps", "Liu Xiang", "Yao Ming", "Allyson Felix", "Shawn Johnson", "Roman Sebrle", "Guo Jingjing", "Tyson Gay", "Asafa Powell", "Usain Bolt"];
awardMedals.apply(awardMedals, contenders);
awardMedals.apply(null, contenders);
alert("Gold: " + gold);
alert("Silver: " + silver);
alert("The Field: " + rest);

18
index.html
View File

@ -761,7 +761,7 @@ gold <span class="Keyword">=</span> silver <span class="Keyword">=</span> rest <
<span class="Keyword">return</span> rest <span class="Keyword">=</span> others;
};
contenders <span class="Keyword">=</span> [<span class="String"><span class="String">&quot;</span>Michael Phelps<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Liu Xiang<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Yao Ming<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Allyson Felix<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Shawn Johnson<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Roman Sebrle<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Guo Jingjing<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Tyson Gay<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Asafa Powell<span class="String">&quot;</span></span>, <span class="String"><span class="String">&quot;</span>Usain Bolt<span class="String">&quot;</span></span>];
awardMedals.<span class="LibraryFunction">apply</span>(awardMedals, contenders);
awardMedals.<span class="LibraryFunction">apply</span>(<span class="BuiltInConstant">null</span>, contenders);
<span class="LibraryFunction">alert</span>(<span class="String"><span class="String">&quot;</span>Gold: <span class="String">&quot;</span></span> <span class="Keyword">+</span> gold);
<span class="LibraryFunction">alert</span>(<span class="String"><span class="String">&quot;</span>Silver: <span class="String">&quot;</span></span> <span class="Keyword">+</span> silver);
<span class="LibraryFunction">alert</span>(<span class="String"><span class="String">&quot;</span>The Field: <span class="String">&quot;</span></span> <span class="Keyword">+</span> rest);
@ -776,7 +776,7 @@ awardMedals = function() {
return rest = others;
};
contenders = ["Michael Phelps", "Liu Xiang", "Yao Ming", "Allyson Felix", "Shawn Johnson", "Roman Sebrle", "Guo Jingjing", "Tyson Gay", "Asafa Powell", "Usain Bolt"];
awardMedals.apply(awardMedals, contenders);
awardMedals.apply(null, contenders);
alert("Gold: " + gold);
alert("Silver: " + silver);
alert("The Field: " + rest);;'>run</button><br class='clear' /></div>
@ -910,7 +910,6 @@ countdown = (function() {
ages <span class="Keyword">=</span> <span class="Keyword">for</span> child, age <span class="Keyword">of</span> yearsOld
child <span class="Keyword">+</span> <span class="String"><span class="String">&quot;</span> is <span class="String">&quot;</span></span> <span class="Keyword">+</span> age
</pre><pre class="idle"><span class="Storage">var</span> age, ages, child, yearsOld, _results;
<span class="Storage">var</span> __hasProp <span class="Keyword">=</span> <span class="LibraryClassType">Object</span>.<span class="LibraryConstant">prototype</span>.hasOwnProperty;
yearsOld <span class="Keyword">=</span> {
max: <span class="Number">10</span>,
ida: <span class="Number">9</span>,
@ -919,14 +918,12 @@ yearsOld <span class="Keyword">=</span> {
<span class="FunctionName">ages</span> = <span class="Storage">function</span>() {
_results <span class="Keyword">=</span> [];
<span class="Keyword">for</span> (child <span class="Keyword">in</span> yearsOld) {
<span class="Keyword">if</span> (<span class="Keyword">!</span>__hasProp.<span class="LibraryFunction">call</span>(yearsOld, child)) <span class="Keyword">continue</span>;
age <span class="Keyword">=</span> yearsOld[child];
_results.<span class="LibraryFunction">push</span>(child <span class="Keyword">+</span> <span class="String"><span class="String">&quot;</span> is <span class="String">&quot;</span></span> <span class="Keyword">+</span> age);
}
<span class="Keyword">return</span> _results;
}();
</pre><button onclick='javascript: var age, ages, child, yearsOld, _results;
var __hasProp = Object.prototype.hasOwnProperty;
yearsOld = {
max: 10,
ida: 9,
@ -935,7 +932,6 @@ yearsOld = {
ages = function() {
_results = [];
for (child in yearsOld) {
if (!__hasProp.call(yearsOld, child)) continue;
age = yearsOld[child];
_results.push(child + " is " + age);
}
@ -1021,21 +1017,17 @@ six = (one = 1) + (two = 2) + (three = 3);;alert(six);'>run: six</button><br cla
globals <span class="Keyword">=</span> (name <span class="Keyword">for</span> name <span class="Keyword">of</span> window)[<span class="Number">0</span>...<span class="Number">10</span>]
</pre><pre class="idle"><span class="Storage">var</span> globals, name, _results;
<span class="Storage">var</span> __hasProp <span class="Keyword">=</span> <span class="LibraryClassType">Object</span>.<span class="LibraryConstant">prototype</span>.hasOwnProperty;
globals <span class="Keyword">=</span> (<span class="Storage">function</span>() {
_results <span class="Keyword">=</span> [];
<span class="Keyword">for</span> (name <span class="Keyword">in</span> <span class="LibraryClassType">window</span>) {
<span class="Keyword">if</span> (<span class="Keyword">!</span>__hasProp.<span class="LibraryFunction">call</span>(<span class="LibraryClassType">window</span>, name)) <span class="Keyword">continue</span>;
_results.<span class="LibraryFunction">push</span>(name);
}
<span class="Keyword">return</span> _results;
}()).<span class="LibraryFunction">slice</span>(<span class="Number">0</span>, <span class="Number">10</span>);
</pre><button onclick='javascript: var globals, name, _results;
var __hasProp = Object.prototype.hasOwnProperty;
globals = (function() {
_results = [];
for (name in window) {
if (!__hasProp.call(window, name)) continue;
_results.push(name);
}
return _results;
@ -1884,9 +1876,11 @@ task(<span class="String"><span class="String">'</span>build:parser<span class="
many contributed from <b>satyr</b>'s <a href="http://github.com/satyr/coco">Coco</a>
dialect of CoffeeScript. Heregexes (extended regexes) were added. Functions
can now have default arguments. Class bodies are now executable code.
Improved syntax errors for invalid CoffeeScript. Object literals
can now take dynamic keys, like this: <tt>{(key): value}</tt>. <tt>undefined</tt> now
Improved syntax errors for invalid CoffeeScript. <tt>undefined</tt> now
works like <tt>null</tt>, and cannot be assigned a new value.
There was a precedence change with respect to single-line comprehensions:
<tt>result = i for i in list</tt><br /> used to parse as <tt>result = (i for i in list)</tt>
by default ... it now parses as <br /><tt>(result = i) for i in list</tt>.
</p>
<p>