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class Module
def remove_possible_method(method)
if method_defined?(method) || private_method_defined?(method)
remove_method(method)
end
rescue NameError
# If the requested method is defined on a superclass or included module,
# method_defined? returns true but remove_method throws a NameError.
# Ignore this.
end
def redefine_method(method, &block)
remove_possible_method(method)
define_method(method, &block)
end
end
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