std::allocator<T>::allocator - cppreference.com
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allocator() throw(); |
(1) | (C++11 前) |
allocator() noexcept; |
(C++11 起) (C++20 前) |
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constexpr allocator() noexcept; |
(C++20 起) | |
allocator( const allocator& other ) throw(); |
(2) | (C++11 前) |
allocator( const allocator& other ) noexcept; |
(C++11 起) (C++20 前) |
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constexpr allocator( const allocator& other ) noexcept; |
(C++20 起) | |
template< class U > allocator( const allocator<U>& other ) throw(); |
(3) | (C++11 前) |
template< class U > allocator( const allocator<U>& other ) noexcept; |
(C++11 起) (C++20 前) |
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template< class U > constexpr allocator( const allocator<U>& other ) noexcept; |
(C++20 起) | |
构造默认分配器。因为默认分配器是无状态的，故构造函数无可见效应。
参数
| other | - | 用以构造的另一 allocator
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