概要
Range#step(s = 1) {|item| ... } -> self
Range#step(s = 1) -> Enumerator
詳細
範囲内の要素を s おきに繰り返却
サンプルコード
require 'tbpgr_utils' class Hoge attr_accessor :count def initialize(count) @count = count end def succ copy = self.dup copy.count += 1 copy end def <=>(other) @count <=> other.count end end hoge_min = Hoge.new(3) hoge_max = Hoge.new(20) bulk_puts_eval binding, <<-EOS (2..10).step(2) (2..10).step(2).to_a (hoge_min..hoge_max).step(3).to_a EOS __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
(2..10).step(2) # => #<Enumerator: 2..10:step(2)> (2..10).step(2).to_a # => [2, 4, 6, 8, 10] (hoge_min..hoge_max).step(3).to_a # => [#<Hoge:0x00000600c40670 @count=3>, #<Hoge:0x00000600c37728 @count=6>, #<Hoge:0x00000600c37688 @count=9>, #<Hoge:0x00000600c37610 @count=12>, #<Hoge:0x00000600c37570 @count=15>, #<Hoge:0x00000600c374d0 @count=18>]
