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std::barrier<CompletionFunction>:: max

From cppreference.net
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Memory ordering
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Free functions for atomic operations
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Free functions for atomic flags
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std::barrier
static constexpr std:: ptrdiff_t max ( ) noexcept ;
(C++20以降)

実装でサポートされる期待されるカウントの最大値を返します。

パラメータ

(なし)

戻り値

実装でサポートされる期待カウントの最大値。