fork(3) download 
  1. p (1..10).each_slice(2).flat_map(&:reverse)
Success #stdin #stdout 0s 5884KB
comments (?)
stdin 
Standard input is empty
stdout 
[2, 1, 4, 3, 6, 5, 8, 7, 10, 9]
https://ideone.com/lPGfpt
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
public

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