std::allocator_traits::allocate
Defined in header <memory> | ? | ? |
|---|---|---|
static pointer allocate( Alloc& a, size_type n ); | (1) | (since C++11) |
static pointer allocate( Alloc& a, size_type n, const_void_pointer hint ); | (2) | (since C++11) |
使用分配器a分配n*sizeof(Alloc::value_type)未初始化存储的字节。
1%29次电话a.allocate(n)
2%29附加传递内存局部性提示hint.电话a.allocate(n, hint)如果可能的话。如果不可能的话，%28例如。a没有双参数成员函数分配%28%29%29，调用a.allocate(n)
参数
a | - | allocator to use |
|---|---|---|
n | - | the number of objects to allocate storage for |
hint | - | pointer to a nearby memory location |
返回值
调用返回的指针。a.allocate(n)...
另见
allocate | allocates uninitialized storage (public member function of std::allocator) |
|---|
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