Using typedefed types as covariant return types

[Bruno Medeiros]

Frits van Bommel wrote:
> Bruno Medeiros wrote:
>> Rick Mann wrote:
>>> Bill Baxter Wrote:
>>> "A typedef or enum can be implicitly converted to its base type, but 
>>> going the other way requires an explicit conversion. "
>>
>> Implicitly convertible doesn't mean a type is a subtype of another. 
>> Altough in this case of typedef and enums I think they could be 
>> subtypes of the base type.
> 
> Perhaps he meant the "to its base type" part? I could see someone mixing 
> that up with the same term used in class hierarchies...

True enough, that may cause some confusion.

-- 
Bruno Medeiros - MSc in CS/E student
http://www.prowiki.org/wiki4d/wiki.cgi?BrunoMedeiros#D