Method value_or

src/fl/stl/optional.h:117–119

value_or() method for std::optional compatibility Returns the contained value if present, otherwise returns the provided default

    // value_or() method for std::optional compatibility
    // Returns the contained value if present, otherwise returns the provided default
    T value_or(const T& default_value) const FL_NOEXCEPT {
        return has_value() ? *ptr() : default_value;
    }

    // value_or() overload for rvalue default values
    T value_or(T&& default_value) const FL_NOEXCEPT {