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Versions: 4
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Stored size: 1.2 KB
Contents
class Module
# Detect method name clash between modules and/or classes, regardless of
# method visibility:
#
# module MethodClashExample
#
# module A
# def c; end
# end
#
# module B
# private
# def c; end
# end
#
# A.method_clash(B) #=> [:c]
#
# end
#
# CREDIT: Thomas Sawyer, Robert Dober
#
#--
# TODO: Should method_clash just be public methods? ...
#++
def method_clash(other)
common_ancestor = (ancestors & other.ancestors).first
s = []
s += public_instance_methods(true)
s += private_instance_methods(true)
s += protected_instance_methods(true)
o = []
o += other.public_instance_methods(true)
o += other.private_instance_methods(true)
o += other.protected_instance_methods(true)
c = s & o
if common_ancestor
c -= common_ancestor.public_instance_methods(true)
c -= common_ancestor.private_instance_methods(true)
c -= common_ancestor.protected_instance_methods(true)
end
return c
end
# Uses #method_clash to return +true+ or +false+ if there
# are method name clashes.
def method_clash?(other)
c = method_clash(other)
!c.empty?
end
end
Version data entries
4 entries across 4 versions & 1 rubygems