Ruby Ruby 2.7 (实验性) 新功能 “模式匹配”

w7938940 · May 15, 2019 · Last by pynix replied at May 15, 2019 · 4575 hits
case [0, [1, 2, 3]]
in [a, [b, *c]]
  p a #=> 0
  p b #=> 1
  p c #=> [2, 3]
end

Ruby2.7 の (実験的) 新機能「パターンマッチ」で遊ぶ

crystal 跟上。。

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