bsl::operator==

Return true if the specified value is disengaged, and false otherwise. This function can be called in constant expressions only if t_TYPE is not allocator-aware.

Synopsis

Declared in <bslstl_optional.h>

template<class t_TYPE>
constexpr
bool
operator==(
    bsl::optional<t_TYPE> const& value,
    bsl::nullopt_t const&) noexcept;