On Wednesday, 9 January 2013 at 21:30:32 UTC, H. S. Teoh wrote:
Because I forgot to declare 'a', I end up overwriting a base
class
member which I didn't intend to change. Not good. (Furthermore,
if the
class hierarchy is big, I may not find out about this until
much later
-- I may not even be aware that some superclass declares 'a'.)
T
At least this will be consistent behaviour. If it is an error,
then a perfectly fine code now will stop compiling after someone
(evil person!) adds a protected member 'i' to one of the
super-super-super classes. Now not only my loop will stop to
compile, but the inheritance will have the nice side effect of
not allowing to use i for iteration in __any__ method.
Of course, this is an extreme example, but valid.
