Sha256: 23addfe640bbcf75b02026a87a38f2d5afd2ddb83dd0558db7811ba96fc19181
Contents?: true
Size: 777 Bytes
Versions: 6
Compression:
Stored size: 777 Bytes
Contents
module Kernel
# Returns method of a parent class bound to self.
#
def supermethod(klass, meth)
unless self.class.ancestors.include?(klass)
raise ArgumentError
end
klass.instance_method(meth).bind(self)
end
# Deprecate?
alias_method :super_method, :supermethod
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCKernel < Test::Unit::TestCase
class X ; def x ; 1 ; end ; end
class Y < X ; def x ; 2 ; end ; end
class Z < Y ; def x ; 3 ; end ; end
def test_supermethod
x = X.new
z = Z.new
s0 = x.method( :x )
s1 = z.supermethod( X, :x )
assert_equal( s0.call, s1.call )
end
end
=end
Version data entries
6 entries across 6 versions & 1 rubygems