Sha256: 40d04002ccf9e8e434db82930d0b1f827ea8a61ba31b3ebf6fd458e3f1e78d0e
Contents?: true
Size: 846 Bytes
Versions: 26
Compression:
Stored size: 846 Bytes
Contents
class Hash
# Iterates through each pair and updates a the hash
# in place. This is formally equivalent to #collate!
# But does not use #collate to accomplish the task.
# Hence #update_each is probably a bit faster.
#
# # TODO
#
#--
# Note that this may get some fine tuning as currently
# it expects the block to return a "mini-hash" pair.
#++
def update_each # :yield:
dup.each_pair{ |k,v| update( yield(k,v) ); }
self
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCHash < Test::Unit::TestCase
def test_update_each
a = { :a => 1, :b => 2, :c => 3 }
e = { :a => 2, :b => 3, :c => 4 }
a.update_each{ |k,v| { k => v+1 } }
assert_equal( e, a )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems