diff options
Diffstat (limited to 'src/corelib/global')
| -rw-r--r-- | src/corelib/global/qttypetraits.qdoc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/corelib/global/qttypetraits.qdoc b/src/corelib/global/qttypetraits.qdoc index 6bb1ceba2c..ab25e30cbf 100644 --- a/src/corelib/global/qttypetraits.qdoc +++ b/src/corelib/global/qttypetraits.qdoc @@ -64,8 +64,9 @@ Replaces the value of \a obj with \a newValue and returns the old value of \a obj. This is Qt's implementation of std::exchange(). It differs from std::exchange() - only in that it is \c constexpr already in C++14, and available on all supported - compilers. + only in that it is \c constexpr already before C++20. + + We strongly advise to use std::exchange() when you don't need the C++20 variant. Here is how to use qExchange() to implement move constructors: \code |