diff options
| author | Marc Mutz <marc.mutz@qt.io> | 2022-11-19 21:30:55 +0100 |
|---|---|---|
| committer | Marc Mutz <marc.mutz@qt.io> | 2022-11-27 17:14:28 +0100 |
| commit | c72bf262ea1f8eb80b7b4c9a56f6bd9e6f77cee4 (patch) | |
| tree | f51e8c284a859e996bb1d685e480a49941788b37 /src/corelib/global | |
| parent | 612c8e428e2c4738bd9da029103921bef536f2ac (diff) | |
Introduce QT_NO_AS_CONST and mark QtBase free of it
Change-Id: I680086e767fe6d5c69eb7103b26150293c69b175
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Diffstat (limited to 'src/corelib/global')
| -rw-r--r-- | src/corelib/global/qttypetraits.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/corelib/global/qttypetraits.h b/src/corelib/global/qttypetraits.h index 1832a1a734..e8939e7d5f 100644 --- a/src/corelib/global/qttypetraits.h +++ b/src/corelib/global/qttypetraits.h @@ -23,6 +23,8 @@ constexpr std::underlying_type_t<Enum> qToUnderlying(Enum e) noexcept return static_cast<std::underlying_type_t<Enum>>(e); } +#ifndef QT_NO_AS_CONST + // this adds const to non-const objects (like std::as_const) template <typename T> constexpr typename std::add_const<T>::type &qAsConst(T &t) noexcept { return t; } @@ -30,6 +32,8 @@ constexpr typename std::add_const<T>::type &qAsConst(T &t) noexcept { return t; template <typename T> void qAsConst(const T &&) = delete; +#endif // QT_NO_AS_CONST + // like std::exchange template <typename T, typename U = T> constexpr T qExchange(T &t, U &&newValue) |