ported over a little more underscore

documentation/index.html.erb

@@ -316,6 +316,9 @@ coffee-script --print app/scripts/*.cs > concatenation.js</pre>
       In addition, <tt>is</tt> compiles into <tt>===</tt>,
       and <tt>aint</tt> into <tt>!==</tt>.
     </p>
+    <p>
+      You can use <tt>not</tt> as an alias for <tt>!</tt>.
+    </p>
     <p>
       As in <a href="http://yaml.org/">YAML</a>, <tt>on</tt> and <tt>yes</tt>
       are the same as boolean <tt>true</tt>, while <tt>off</tt> and <tt>no</tt> are boolean <tt>false</tt>.

examples/code.cs

@@ -99,7 +99,7 @@ while true
   continue if continuing.
 
 # Unary operators.
-!!true
+!true
 
 # Lexical scoping.
 a: 5

examples/underscore.cs

@@ -78,28 +78,24 @@ _.reduceRight: obj, memo, iterator, context =>
   _.each(reversed, reverser)
   memo.
 
-#   # Return the first value which passes a truth test.
+  # Return the first value which passes a truth test.
-#   _.detect = function(obj, iterator, context) {
+  _.detect: obj, iterator, context =>
-#     var result;
+    result: null
-#     _.each(obj, function(value, index, list) {
+    _.each(obj, (value, index, list =>
-#       if (iterator.call(context, value, index, list)) {
+      if iterator.call(context, value, index, list)
-#         result = value;
+        result: value
-#         _.breakLoop();
+        _.breakLoop()..))
-#       }
+    result.
-#     });
+
-#     return result;
+  # Return all the elements that pass a truth test. Use JavaScript 1.6's
-#   };
+  # filter(), if it exists.
-#
+  _.select: obj, iterator, context =>
-#   # Return all the elements that pass a truth test. Use JavaScript 1.6's
+    if obj and _.isFunction(obj.filter) then return obj.filter(iterator, context).
-#   # filter(), if it exists.
+    results: []
-#   _.select = function(obj, iterator, context) {
+    _.each(obj, (value, index, list =>
-#     if (obj && _.isFunction(obj.filter)) return obj.filter(iterator, context);
+      iterator.call(context, value, index, list) and results.push(value).))
-#     var results = [];
+    results.
-#     _.each(obj, function(value, index, list) {
+
-#       iterator.call(context, value, index, list) && results.push(value);
-#     });
-#     return results;
-#   };
 #
 #   # Return all the elements for which a truth test fails.
 #   _.reject = function(obj, iterator, context) {

index.html

@@ -612,6 +612,9 @@ return [document.title, "Hello JavaScript"].join(": ");
       In addition, <tt>is</tt> compiles into <tt>===</tt>,
       and <tt>aint</tt> into <tt>!==</tt>.
     </p>
+    <p>
+      You can use <tt>not</tt> as an alias for <tt>!</tt>.
+    </p>
     <p>
       As in <a href="http://yaml.org/">YAML</a>, <tt>on</tt> and <tt>yes</tt>
       are the same as boolean <tt>true</tt>, while <tt>off</tt> and <tt>no</tt> are boolean <tt>false</tt>.