Method hasHeapData

src/fl/stl/basic_string.h:503–503

    bool isInline() const FL_NOEXCEPT { return mStorage.empty(); }
    bool hasHeapData() const FL_NOEXCEPT { return mStorage.is<NotNullStringHolderPtr>(); }
    bool hasConstLiteral() const FL_NOEXCEPT { return mStorage.is<ConstLiteral>(); }
    bool hasConstView() const FL_NOEXCEPT { return mStorage.is<ConstView>(); }
    bool isNonOwning() const FL_NOEXCEPT { return hasConstLiteral() || hasConstView(); }