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remove Kernel#singleton_class from core_ext as it is present in ruby 1.9

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lest 2011-12-21 18:53:38 +03:00
parent 2e9eb0a3ca
commit a57c6441a8
3 changed files with 1 additions and 26 deletions
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7
activesupport/lib/active_support/core_ext/kernel/singleton_class.rb
View file

@ -1,11 +1,4 @@
module Kernel module Kernel
# Returns the object's singleton class.
def singleton_class
class << self
self
end
end unless respond_to?(:singleton_class) # exists in 1.9.2
# class_eval on an object acts like singleton_class.class_eval. # class_eval on an object acts like singleton_class.class_eval.
def class_eval(*args, &block) def class_eval(*args, &block)
singleton_class.class_eval(*args, &block) singleton_class.class_eval(*args, &block)

5
activesupport/test/core_ext/kernel_test.rb
View file

@ -42,11 +42,6 @@ class KernelTest < Test::Unit::TestCase
assert_equal 1, silence_stderr { 1 } assert_equal 1, silence_stderr { 1 }
end end
def test_singleton_class
o = Object.new
assert_equal class << o; self end, o.singleton_class
end
def test_class_eval def test_class_eval
o = Object.new o = Object.new
class << o; @x = 1; end class << o; @x = 1; end

13
railties/guides/source/active_support_core_extensions.textile
View file

@ -177,19 +177,6 @@ end
NOTE: Defined in +active_support/core_ext/object/try.rb+. NOTE: Defined in +active_support/core_ext/object/try.rb+.
h4. +singleton_class+
The method +singleton_class+ returns the singleton class of the receiver:
<ruby>
String.singleton_class # => #<Class:String>
String.new.singleton_class # => #<Class:#<String:0x17a1d1c>>
</ruby>
WARNING: Fixnums and symbols have no singleton classes, +singleton_class+ raises +TypeError+ on them. Moreover, the singleton classes of +nil+, +true+, and +false+, are +NilClass+, +TrueClass+, and +FalseClass+, respectively.
NOTE: Defined in +active_support/core_ext/kernel/singleton_class.rb+.
h4. +class_eval(*args, &block)+ h4. +class_eval(*args, &block)+
You can evaluate code in the context of any object's singleton class using +class_eval+: You can evaluate code in the context of any object's singleton class using +class_eval+: