Add Struct.[] as synonym for Struct.new

Author: adambeynon

CHANGELOG.md

@@ -84,7 +84,7 @@
     is present (`a = 0; a [0]` parses as a deference on a).
 
 *   Fix various `Struct` methods. Fixed `#each` and `#each_pair` to return
-    self.
+    self. Add `Struct.[]` as synonym for `Struct.new`.
 
 ## 0.5.5 2013-11-25
 

opal/corelib/struct.rb

@@ -49,6 +49,10 @@ def self.inherited(klass)
     }
   end
 
+  class << self
+    alias [] new
+  end
+
   include Enumerable
 
   def initialize(*args)

spec/opal/filters/bugs/struct.rb

@@ -1,5 +1,9 @@
 opal_filter "Struct" do
+  fails "Struct#[] fails when it does not know about the requested attribute"
+  fails "Struct#[] fails if not passed a string, symbol, or integer"
+
   fails "Struct#initialize can be overriden"
+
   fails "Struct.new fails with too many arguments"
   fails "Struct.new creates a constant in subclass' namespace"
   fails "Struct.new raises a TypeError if object is not a Symbol"

spec/opal/rubyspecs

@@ -319,6 +319,7 @@ core/symbol/to_proc_spec
 
 core/struct/each_pair_spec
 core/struct/each_spec
+core/struct/element_reference_spec
 core/struct/initialize_spec
 core/struct/new_spec