...one of the most highly
regarded and expertly designed C++ library projects in the
world. — Herb Sutter and Andrei
true if two values
are not equal.
Defined in header
friend bool operator!=( value const& lhs, value const& rhs);
Two values are equal when they are the same kind and their referenced values are equal, or when they are both integral types and their integral representations are equal.
Constant or linear in the size of the array, object, or string.