Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

no_error_t::operator!=

Inequality operator.

constexpr bool operator!=(
    const no_error_t & ,
    const no_error_t & );
  » more...

Inequality operator, returns true if the disposition contains an error.

template<
    typename Disposition>
constexpr constraint_t< is_disposition< Disposition >::value, bool > operator!=(
    const no_error_t & ,
    const Disposition & d);
  » more...

template<
    typename Disposition>
constexpr constraint_t< is_disposition< Disposition >::value, bool > operator!=(
    const Disposition & d,
    const no_error_t & );
  » more...