std::chrono::duration_values<Rep>:: zero

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static constexpr Rep zero ( ) ;		(C++11 起) (C++20 前)
static constexpr Rep zero ( ) noexcept ;		(C++20 起)

返回一个零长度的表示。

(无)

Rep ( 0 )

zero [static]	返回特殊的零时长值 ( `std::chrono::duration<Rep,Period>` 的公开静态成员函数)
min [static]	返回可能的最小表示值 (公开静态成员函数)
max [static]	返回可能的最大表示值 (公开静态成员函数)

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