Sha256: e344b9ced97f0a61dd08a23322a207679e20bb00f26356cfccf281a63651a02f
Contents?: true
Size: 536 Bytes
Versions: 26
Compression:
Stored size: 536 Bytes
Contents
class Hash
# Swap the values of a pair of keys in place.
#
# {:a=>1,:b=>2}.swap! #=> {:a=>2,:b=>1}
#
def swap!( key1, key2 )
tmp = self[key1]
self[key1] = self[key2]
self[key2] = tmp
self
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCHash < Test::Unit::TestCase
def test_swap!
h = { :a=>1, :b=>2 }
assert_equal( { :a=>2, :b=>1 }, h.swap!(:a, :b) )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems