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namusyaka/gist:2652d0ce30b32870f376

Last active August 29, 2015 14:06
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gistfile1.rb
class A
attr_writer :foo
def test(k)
[respond_to?(:"#{k}="), respond_to?("#{k}=")]
end
end
a = A.new
p a.respond_to?(:test) #=> true
p a.respond_to?("test") #=> true
p a.test(:foo) #=> [false, true]
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