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AS guide: s/metaclass/singleton_class/ due to 0b87d11

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Xavier Noria
2010-02-26 00:06:05 +01:00
parent 47683b7d0e
commit 4dcc4a0b60
1 changed files with 9 additions and 6 deletions
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15
railties/guides/source/active_support_core_extensions.textile
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@@ -138,16 +138,19 @@ end
NOTE: Defined in +active_support/core_ext/object/try.rb+.
h4. +metaclass+
h4. +singleton_class+
The method +metaclass+ returns the singleton class on any object:
The method +singleton_class+ returns the singleton class of the receiver:
<ruby>
String.metaclass # => #<Class:String>
String.new.metaclass # => #<Class:#<String:0x17a1d1c>>
String.singleton_class # => #<Class:String>
String.new.singleton_class # => #<Class:#<String:0x17a1d1c>>
</ruby>
NOTE: Defined in +active_support/core_ext/object/metaclass.rb+.
WARNING: Fixnums and symbols have no singleton classes, +singleton_class+
raises +TypeError+ on them.
NOTE: Defined in +active_support/core_ext/object/singleton_class.rb+.
h4. +class_eval(*args, &block)+
@@ -168,7 +171,7 @@ class Proc
end
</ruby>
NOTE: Defined in +active_support/core_ext/object/metaclass.rb+.
NOTE: Defined in +active_support/core_ext/object/singleton_class.rb+.
h4. +acts_like?(duck)+