From: David A. Greene (greened_at_[hidden])
Date: 2002-08-07 15:33:24
Jaakko Jarvi wrote:
> Yes, varable-lenth template parameter lists are definitely useful,
> there are typelists, typles, ... as partial solutions for not having
> direct support for that.
Do you have a reference for a "typle?" First I've heard of it.
Sounds like a tuple of types -- is that right?
> But we were questioning whether having a variable number of _named_
> template parameters is useful, I think not.
> There you pretty much have to know the names of your features you may
> expect the user to provide, and then you know the maximum number
> of template parameters too.
Yes, of course you have to know the names -- but only the
_implementation_ need know those names, right? Hence my
diversion into the pimpl analogy.
What am I missing?
-- "Some little people have music in them, but Fats, he was all music, and you know how big he was." -- James P. Johnson
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