On 3 May 2014 11:28, Kurt Pattyn <pattyn.k...@gmail.com> wrote: > Hi, > > I would like to know if there are any guidelines about using qDebug and > friends in Qt source code? > Recently I had to remove qWarning statements from a submit (for very > plausible reasons), but a quick search through qtbase revealed a lot of > qWarning statements. > > So are there any rules of thumb? >
qWarning - the developer writing an app using Qt has made an error in their code that has lead to calling Qt with invalid values, for example connecting to a slot that does not exist. qDebug - when used in Qt itself, this is stuff to help with debugging of Qt. Users of Qt will often have Qt itself built without them, so don't rely on these messages to actually appear to people developing apps. qFatal - something is so screwed we cannot continue. Prints a message then aborts. qCritical - similar to the above but doesn't abort. Rich.
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