Created
January 24, 2014 16:42
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与えられたコレクションの全ての並び順を出力する
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| #(1 2 3) permutationsDo: [:each | Transcript cr; show: each printString] |
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(1 2 3)
(1 3 2)
(2 1 3)
(2 3 1)
(3 2 1)
(3 1 2)