Ondrej Pokorny <laza...@kluug.net> schrieb am Fr., 13. Apr. 2018, 12:52:
> On 02.07.2017 18:55, Ondrej Pokorny wrote: > > On 02.07.2017 18:49, Jonas Maebe wrote: > > No, there is no built-in checked conversion from integer to arbitrary > enumeration types. That's why I suggested in the bug report that started > this thread to file a feature request for such a conversion. > > > Very good :) > > Are there any disadvantages of the enum-AS operator that prevents its > introduction? > > > Someone else could already have code that overloads the AS-operator in > this way, and such a change would break this (you cannot overload operators > with a built-in meaning). I would be in favour of a new intrinsic. > > > If I am not mistaken, the AS operator cannot be overloaded - so no chance > to break legacy code here. > > > Because > > 1.) you agreed that a built-in checked conversion from integer to > arbitrary enumeration type is wanted and > 2.) the AS-operator cannot be overloaded and thus the only argument > against enum support for AS is not valid > > I introduced the AS operator for enumerators in > https://bugs.freepascal.org/view.php?id=33603 > What about enums with holes? Also for constants there could be a compile time check. Regards, Sven > >
_______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel
