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honbin/map_collect.rb

Created October 18, 2012 05:46
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map_collect.rb
# reference url: http://jp.rubyist.net/magazine/?0038-MapAndCollect#l2
# map for lisp
# (map 'list (lambda (i) (+ i 1)) '(3 4 5 6))
#map for ruby
p [3, 4, 5, 6].map {|i| i + 1 } #=>[4, 5, 6, 7]
#collect for smalltalk
# #(3 4 5 6) collect: [:i | i + 1 ]
#collect for ruby
p [3, 4, 5, 6].collect {|i| i + 1 } #=>[4, 5, 6, 7]
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