std::not_equal_to

Header: <functional>

Function object for performing comparisons. Unless specialised, invokes operator!= on type T.

# Declarations

template< class T >
struct not_equal_to;

(until C++14)

template< class T = void >
struct not_equal_to;

(since C++14)

# Parameters

• lhs, rhs: values to compare

# Return value

true if lhs != rhs, false otherwise.

# See also

• equal
• less
• ranges::not_equal_to