operator==,!=(std::allocator)

From cppreference.com
template< class T1, class T2 >
bool operator==( const allocator<T1>& lhs, const allocator<T2>& rhs );
template< class T1, class T2 >
bool operator!=( const allocator<T1>& lhs, const allocator<T2>& rhs );

Compares two default allocators. Since default allocators are stateless, two default allocators are always equal.

1) Returns true
2) Returns false

[edit] Parameters

lhs, rhs - default allocators to compare

[edit] Return value

1) true
2) false

[edit] Exceptions

noexcept specification:  
noexcept
  (since C++11)