atomic() = default; | (1) | (since C++11) |
constexpr atomic( T desired ); | (2) | (since C++11) |
atomic( const atomic& ) = delete; | (3) | (since C++11) |
Constructs new atomic variable.
1) The default constructor is trivial: no initialization takes place other than zero initialization of static and thread-local objects.
std::atomic_init
may be used to complete initialization. 2) Initializes the underlying value with
desired
. The initialization is not atomic. 3) Atomic variables are not
CopyConstructible
.Parameters
desired | - | value to initialize with |
Exceptions
noexcept
specification: noexcept
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