Method empty

include/boost/json/string.hpp:987–991

Check if the string has no characters. Returns `true` if there are no characters in the string, i.e. @ref size() returns 0. @par Complexity Constant. @par Exception Safety No-throw guarantee. */

        No-throw guarantee.
    */
    bool
    empty() const noexcept
    {
        return impl_.size() == 0;
    }

    /** Return the number of characters in the string.