cleanup of autoPtr, tmp classes
Should remove some slight inconsistencies between autoPtr and tmp, and reduce some coding verbosity.
- For autoPtr, can use assignment from
nullptrto effect a reset. Should also be allowed for tmp. - Reduce use of autoPtr
empty()andvalid()methods.
The autoPtr empty() method was introduced (Jan-2009) to reduce these types of constructs:
if (!myPtr.valid()) ...
if (myPtr.empty()) ...But now there are some places with this type of thing:
if (!myPtr.empty()) ...Since we now have an explicit bool operator, probably makes sense to use that instead:
if (myPtr) ...
if (!myPtr) ...