operator==,!=(std::allocator)
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std::allocator
Member functions
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Non-member functions
operator==operator!=
(until C++20)
(1)
template< class T1, class T2 >
bool operator==( const allocator<T1>& lhs, const allocator<T2>& rhs ) throw();
(until C++11)
bool operator==( const allocator<T1>& lhs, const allocator<T2>& rhs ) throw();
template< class T1, class T2 >
bool operator==( const allocator<T1>& lhs, const allocator<T2>& rhs ) noexcept;
(since C++11) bool operator==( const allocator<T1>& lhs, const allocator<T2>& rhs ) noexcept;
(until C++20)
template< class T1, class T2 >
(since C++20)
constexpr bool
(2)
template< class T1, class T2 >
bool operator!=( const allocator<T1>& lhs, const allocator<T2>& rhs ) throw();
(until C++11)
bool operator!=( const allocator<T1>& lhs, const allocator<T2>& rhs ) throw();
template< class T1, class T2 >
bool operator!=( const allocator<T1>& lhs, const allocator<T2>& rhs ) noexcept;
(since C++11) bool operator!=( const allocator<T1>& lhs, const allocator<T2>& rhs ) noexcept;
(until C++20)
Compares two default allocators. Since default allocators are stateless, two default allocators are always equal.
1) Returns true.
2) Returns false.
The != operator is synthesized from operator==.
[edit] Parameters
lhs, rhs
-
default allocators to compare
[edit] Return value
1) true
2) false