Sha256: 5dce175a418a95444a0a072004cc2c0d2aeb1fa71c3e2fba4602baed7b454a14
Contents?: true
Size: 1012 Bytes
Versions: 15
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Stored size: 1012 Bytes
Contents
require 'facets/more/functor'
module Enumerable
# Returns an elementwise Functor. This allows
# you to map a method on to every element.
#
# [1,2,3].every + 3 #=> [4,5,6]
#
# ['a','b','c'].every.upcase #=> ['A','B','C']
#
def every
Functor.new do |op,*args|
self.collect{ |a| a.send(op,*args) }
end
end
end
class Array
# In place version of #every.
def every!
Functor.new do |op,*args|
self.replace( self.collect{ |a| a.send(op,*args) } )
end
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCEnumerable < Test::Unit::TestCase
def test_every_1
a = [1,2,3]
assert_equal( [4,5,6], a.every + 3 )
assert_equal( [0,1,2], a.every - 1 )
assert_equal( ['1','2','3'], a.every.to_s )
end
def test_every_2
a = [1,2,3]
a.every! + 3
assert_equal( [4,5,6], a )
end
end
=end
Version data entries
15 entries across 15 versions & 1 rubygems