std::latch::latch
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constexpr explicit latch( std::ptrdiff_t expected );
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(1) | (since C++20) |
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latch( const latch & ) = delete;
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(2) | (since C++20) |
1) Constructs a
latch and initializes its internal counter. The behavior is undefined if expected is negative or greater than max().2) Copy constructor is deleted.
latch is neither copyable nor movable.Parameters
| expected | - | the initial value of the internal counter |
Exceptions
Throws nothing.