From 2b94849429770a377dc9f80bc0ac84931c0a42f9 Mon Sep 17 00:00:00 2001
From: Jeremy Ashkenas <jashkenas@gmail.com>
Date: Wed, 23 Dec 2009 21:09:32 -0500
Subject: [PATCH] ported over a little more underscore

---
 documentation/index.html.erb |  3 +++
 examples/code.cs             |  2 +-
 examples/underscore.cs       | 40 ++++++++++++++++--------------------
 index.html                   |  3 +++
 4 files changed, 25 insertions(+), 23 deletions(-)

diff --git a/documentation/index.html.erb b/documentation/index.html.erb
index 920cdc62..8916d842 100644
--- a/documentation/index.html.erb
+++ b/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>.
diff --git a/examples/code.cs b/examples/code.cs
index f6d58537..ad520571 100644
--- a/examples/code.cs
+++ b/examples/code.cs
@@ -99,7 +99,7 @@ while true
   continue if continuing.
 
 # Unary operators.
-!!true
+!true
 
 # Lexical scoping.
 a: 5
diff --git a/examples/underscore.cs b/examples/underscore.cs
index 56abbb53..754d1842 100644
--- a/examples/underscore.cs
+++ b/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.
-#   _.detect = function(obj, iterator, context) {
-#     var result;
-#     _.each(obj, function(value, index, list) {
-#       if (iterator.call(context, value, index, list)) {
-#         result = value;
-#         _.breakLoop();
-#       }
-#     });
-#     return result;
-#   };
-#
-#   # Return all the elements that pass a truth test. Use JavaScript 1.6's
-#   # filter(), if it exists.
-#   _.select = function(obj, iterator, context) {
-#     if (obj && _.isFunction(obj.filter)) return obj.filter(iterator, context);
-#     var results = [];
-#     _.each(obj, function(value, index, list) {
-#       iterator.call(context, value, index, list) && results.push(value);
-#     });
-#     return results;
-#   };
+  # Return the first value which passes a truth test.
+  _.detect: obj, iterator, context =>
+    result: null
+    _.each(obj, (value, index, list =>
+      if iterator.call(context, value, index, list)
+        result: value
+        _.breakLoop()..))
+    result.
+
+  # Return all the elements that pass a truth test. Use JavaScript 1.6's
+  # filter(), if it exists.
+  _.select: obj, iterator, context =>
+    if obj and _.isFunction(obj.filter) then return obj.filter(iterator, context).
+    results: []
+    _.each(obj, (value, index, list =>
+      iterator.call(context, value, index, list) and results.push(value).))
+    results.
+
 #
 #   # Return all the elements for which a truth test fails.
 #   _.reject = function(obj, iterator, context) {
diff --git a/index.html b/index.html
index 71df7c15..f71b6add 100644
--- a/index.html
+++ b/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>.