T fetch_or( T arg, std::memory_order order = std::memory_order_seq_cst ) const noexcept;
| (since C++20) |
(member only of
Atomically replaces the current value of the referenced object with the result of bitwise OR of the value and
arg. This operation is a read-modify-write operation. Memory is affected according to the value of
|arg||-||the other argument of bitwise OR|
|order||-||memory order constraints to enforce|
The value of the referenced object, immediately preceding the effects of this function.
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