Method as_string

src/fl/stl/json.h:284–287

    }
    
    fl::optional<fl::string> as_string() const FL_NOEXCEPT {
        if (!mValue) return fl::nullopt;
        return mValue->as_string(); 
    }
    // Zero-copy pointer accessors
    const json_array*        as_array()   const FL_NOEXCEPT { return mValue ? mValue->as_array() : nullptr; }
    const json_object*       as_object()  const FL_NOEXCEPT { return mValue ? mValue->as_object() : nullptr; }