On 7-3-2014 9:25, Ziller Eike wrote:
> Optionally you can use the “auto” keyword in the following cases. If in
> doubt, if auto could make the code less readable, do not use auto. Keep in
> mind that code is read much more often than written.
>
> * When it avoids repetition of a type in the same statement. You should
> explicitly mention any “const”, “&” and “*” as well, even if they were
> implicit.
> - auto *something = new MyCustomType(…);
> - auto *somethingElse = qobject_cast<MyOtherCustomType *>(sender());
> - auto myFunnyListOfThings = QStringList() << QLatin1String(“FooThing”)
> << QLatin1String(“BarThing”);
>
> * When assigning iterator types.
> - auto it = myFunnyListOfThings.const_iterator();
I'd like to propose to add:
* When taking simple copies:
- auto pendingDocumentInfos = m_pendingDocumentInfos;
in code like:
class Asdf {
private:
QHash<QString, QVector<ModelItemInfo::Ptr>> m_pendingDocumentInfos;
void runSafely() {
QMutexLocker locker(&theLock);
auto pendingDocumentInfos = m_pendingDocumentInfos;
locker.unlock();
// etc.
}
};
-- Erik.
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