Object#singleton_class

Ruby Development
1

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class Object
def singleton_class
class << self; self; end
end
alias eigenclass singleton_class
alias metaclass singleton_class
end

x = “a”
class << x; self; end # => #<Class:#String:0xb7b2c700>
x.singleton_class # => #<Class:#String:0xb7b2c700>
x.eigenclass # => #<Class:#String:0xb7b2c700>
x.metaclass # => #<Class:#String:0xb7b2c700>

2

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In message “Re: [ruby-dev:34191] Object#singleton_class”
on Tue, 1 Apr 2008 00:25:41 +0900, [email protected] writes:

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|
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