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Stored size: 874 Bytes
Contents
#--
# CREDIT Mikael Brockman
#++
module Kernel
# A Ruby-ized realization of the K combinator.
#
# with Book.new do |book|
# book.title = "Imperium"
# book.author = "Ulick Varange"
# end
#
# Also aliased as #returning for readability.
#
# def foo
# returning values = [] do
# values << 'bar'
# values << 'baz'
# end
# end
#
# foo # => ['bar', 'baz']
def with(obj=self)
yield obj
obj
end
alias :returning :with
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCKernel < Test::Unit::TestCase
def test_returning
foo = returning( values = [] ) do
values << 'bar'
values << 'baz'
end
assert_equal( ['bar', 'baz'], foo )
end
end
=end
Version data entries
6 entries across 6 versions & 1 rubygems