Same as foreach(variable, container).
This macro is available even when no_keywords is specified using the .pro file's CONFIG variable.
Note: Since Qt 5.7, the use of this macro is discouraged. Use C++11 range-based for, possibly with std::as_const(), as needed.
Same as forever.
This macro is available even when no_keywords is specified using the .pro file's CONFIG variable.
See also foreach().
This macro is used to implement Qt's foreach loop. The variable parameter is a variable name or variable definition; the container parameter is a Qt
container whose value type corresponds to the type of the variable. See The foreach Keyword for details.
If you're worried about namespace pollution, you can disable this macro by adding the following line to your .pro file:
CONFIG += no_keywords
Note: Since Qt 5.7, the use of this macro is discouraged. Use C++11 range-based for, possibly with std::as_const(), as needed.
This macro is provided for convenience for writing infinite loops.
Example:
forever {
...
}
It is equivalent to for (;;).
If you're worried about namespace pollution, you can disable this macro by adding the following line to your .pro file:
CONFIG += no_keywords
If using other build systems, you can add QT_NO_KEYWORDS to the list of pre-defined macros.
See also Q_FOREVER.
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