diff options
| -rw-r--r-- | src/qmmp/qmmp.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/qmmp/qmmp.h b/src/qmmp/qmmp.h index 3ff612b7f..5e7800bf0 100644 --- a/src/qmmp/qmmp.h +++ b/src/qmmp/qmmp.h @@ -39,6 +39,15 @@ #define QStringToFileName(s) s.toLocal8Bit().constData() #endif +#if (QT_VERSION < QT_VERSION_CHECK(5, 7, 0)) +// this adds const to non-const objects (like std::as_const) +template <typename T> +Q_DECL_CONSTEXPR typename std::add_const<T>::type &qAsConst(T &t) noexcept { return t; } +// prevent rvalue arguments: +template <typename T> +void qAsConst(const T &&) = delete; +#endif + /*! @brief The Qmmp class stores global settings and enums. * @author Ilya Kotov <forkotov02@ya.ru> |