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module Mst | |
def self.included(base) | |
base.extend(ClassMethods) | |
end | |
module ClassMethods | |
def before(method_name) | |
m = instance_method(method_name) | |
define_method method_name do |*args, &block| | |
yield | |
m.bind(self).(*args, &block) | |
end | |
end | |
end | |
end | |
class Foo | |
include Mst | |
def test | |
puts "test" | |
end | |
before :test do | |
puts "before" | |
end | |
end | |
Foo.new.test |
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