std::allocator::construct
Defined in header <memory> | ? | ? |
|---|---|---|
void construct( pointer p, const_reference val ); | (1) | (until C++11) |
template< class U, class... Args > void construct( U* p, Args&&... args ); | (2) | (since C++11) (deprecated since C++17) |
构造类型的对象。T在分配的未初始化存储中，p使用新的安置。
1%29次电话new((void *)p) T(val)
2%29次电话::new((void*)p) U(std::forward<Args>(args)...)
参数
p | - | pointer to allocated uninitialized storage |
|---|---|---|
val | - | the value to use as the copy constructor argument |
args... | - | the constructor arguments to use |
返回值
%280%29
另见
construct static | constructs an object in the allocated storage (function template) |
|---|---|
operator newoperator new[] | allocation functions (function) |
? cppreference.com在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。
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