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cmar/prepended.rb

Last active May 11, 2017 12:52
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example of prepended class methods
Raw
prepended.rb
class Foo
def self.say
p "hello from Foo"
end
end
module Bar
def self.say
super
p "hello from Bar"
end
end
Foo.say # => "hello from Foo"
Foo.prepend Bar
Foo.say # => "hello from Foo"
Foo.class_eval do
prepend Bar
end
Foo.say # => "hello from Foo"
Foo.singleton_class.prepend Bar
Foo.say # => "hello from Foo"
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