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はじめに

移植やってます。

pop (Python)

kwa = kw_given.pop()

このkw_givensetっぽいのです。

s から任意の要素を取り除き、それを返します。集合が空の場合、 KeyError を送出します

どうする? (Ruby)

require 'set'

kw_given = (1..5).to_set

kwa = kw_given.first; kw_given.delete(kwa)

Setから任意の要素を取り出すメソッドってあまり無いようです。

firstはEnumerableモジュールのメソッドです。

メモ

  • Python の pop を学習した
  • 道のりは遠そう
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