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1行で複数代入する変数の型ヒントの書き方

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関数の返り値など,タプルを複数の変数に展開して代入する時の型ヒントの書き方がわからなかったのでメモ.
こうするらしい.1行では書けない.

from typing import Tuple


def foo() -> Tuple[int, float]:
    return 1, 1.0


a: int
b: float
a, b = foo()

ちなみにこの構文の名前が不明なのだが, unpacking a tuple とかでググると良さそうです.

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