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module YieldSpecs
class Yielder
def z
yield
end
def ze(&block)
block = proc { block }
yield
end
def s(a)
yield(a)
end
def m(a, b, c)
yield(a, b, c)
end
def r(a)
yield(*a)
end
def rs(a, b, c)
yield(a, b, *c)
end
def self.define_deep(&inned_block)
define_method 'deep' do |v|
# should yield to inner_block
yield v
end
end
define_deep { |v| v * 2}
end
end
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