Return true if the specified lhs is ordered before the specified rhs optional object or lhs and rhs have the same value, and false otherwise. (See operator< and operator==.) This function can be called in constant expressions only if t_RHS_TYPE is not allocator‐aware.

Synopsis

Declared in <bslstl_optional.h>

template<
    class t_LHS_TYPE,
    class t_RHS_TYPE>
constexpr
bool
operator<=(
    t_LHS_TYPE const& lhs,
    bsl::optional<t_RHS_TYPE> const& rhs);

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