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Contents?: true
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Compression:
Stored size: 725 Bytes
Contents
module Kernel
# Anything that can be marshaled can be copied in totality.
# This is also commonly called a deep_copy.
#
# "ABC".copy #=> "ABC"
#
def copy
Marshal::load(Marshal::dump(self))
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCKernel < Test::Unit::TestCase
# fixtures for copy / deep_copy
class A
attr_reader :a
def initialize
@a = 1
end
end
class B
attr_reader :b
def initialize
@b = A.new
end
end
def test_copy
o = B.new
oc = o.copy
assert_equal( 1, o.b.a )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems