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口で言うより行うことがErlang習得への近道と信じています。

lists:last/1

リストの最後の要素を返します。リストが空の場合はエラーになります。


> lists:last([1]).
1

> lists:last([1, 2, 3]).
3

> lists:last([]).
** exception error: no function clause matching lists:last([]) (lists.erl, line 256)

listsモジュールには他にもリスト処理のための関数がたくさんあります。

Elixirにも挑戦したい

闘魂ElixirシリーズとElixir Schoolがオススメです。

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