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carllerche/gist:105316

Created May 1, 2009 23:18
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gistfile1.rb
module Awesome
def baz
puts "baz"
end
end
class Foo
end
backup_foo = Foo.clone
class Foo
include Awesome
end
foo_obj = Foo.new
foo_obj.baz # => baz
Object.send :remove_const, :Foo
Foo = backup_foo
foo_obj.baz # => baz
Foo.new.baz # NoMethodError: undefined method ‘baz’ for #<Foo:0x1d650>
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