bsl::operator<=>

Perform a three‐way comparison of the specified lhs and the specified rhs objects by using the comparison operators of t_LHS and t_RHS; return the result of that comparison. This function can be called in constant expressions only if t_LHS is not allocator‐aware.

Synopsis

Declared in <bslstl_optional.h>

template<
    class t_LHS,
    three_way_comparable_with<t_LHS> t_RHS>
constexpr
compare_three_way_result_t<t_LHS, t_RHS>
operator<=>(
    bsl::optional<t_LHS> const& lhs,
    std::optional<t_RHS> const& rhs);

Created with MrDocs