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authormarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-10-28 21:20:10 +0000
committermarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-10-28 21:20:10 +0000
commite44e356b53828d6468114b30e5c169296896f9b1 (patch)
treea24b67a505ccbba2f6b2204bcfc0aa6f7bdd3298 /lib/ostruct.rb
parent3785d2675abf2e4aca07e89596ea6f12b4c474a5 (diff)
* lib/ostruct.rb: Add [] and []=, base on a patch by Thomas Sawyer
[ruby-core:42779] [Feature #6056] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37376 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/ostruct.rb')
-rw-r--r--lib/ostruct.rb24
1 files changed, 22 insertions, 2 deletions
diff --git a/lib/ostruct.rb b/lib/ostruct.rb
index 17b3ab0..b291f08 100644
--- a/lib/ostruct.rb
+++ b/lib/ostruct.rb
@@ -176,18 +176,38 @@ class OpenStruct
def method_missing(mid, *args) # :nodoc:
mname = mid.id2name
len = args.length
- if mname.chomp!('=') && mid != :[]=
+ if mname.chomp!('=')
if len != 1
raise ArgumentError, "wrong number of arguments (#{len} for 1)", caller(1)
end
modifiable[new_ostruct_member(mname)] = args[0]
- elsif len == 0 && mid != :[]
+ elsif len == 0
@table[mid]
else
raise NoMethodError, "undefined method `#{mid}' for #{self}", caller(1)
end
end
+ # Returns the value of a member.
+ #
+ # person = OpenStruct.new('name' => 'John Smith', 'age' => 70)
+ # person[:age] # => 70, same as ostruct.age
+ #
+ def [](name)
+ @table[name.to_sym]
+ end
+
+ #
+ # Sets the value of a member.
+ #
+ # person = OpenStruct.new('name' => 'John Smith', 'age' => 70)
+ # person[:age] = 42 # => equivalent to ostruct.age = 42
+ # person.age # => 42
+ #
+ def []=(name, value)
+ modifiable[new_ostruct_member(name)] = value
+ end
+
#
# Remove the named field from the object. Returns the value that the field
# contained if it was defined.