On Mon, 07 Nov 2005 22:41:06 +0100 Florian Klaempfl <[EMAIL PROTECTED]> wrote:
> Mattias Gaertner wrote: > > On Mon, 07 Nov 2005 19:29:51 +0100 > > Bram Kuijvenhoven <[EMAIL PROTECTED]> wrote: > > > > > >>Micha Nelissen wrote: > >> > >>>On Mon, 07 Nov 2005 14:45:19 +0100 > >>>Bram Kuijvenhoven <[EMAIL PROTECTED]> wrote: > >>> > >>>>Does <> for generics fit into Pascal? Well, we use [] for array > >>> > >>>indexing, and () for parameter passing to procedures/functions/methods. > >>>So why not use <> for passing parameters to generic types? And, similar > >>>to the case of function calls and array indexing, these <> could follow > >>>the type identifier directly. > >>> > >>>You got a point here, but the "where T is Foo" stuff is crap then, > >don't >>you agree? > >>> > >>>TGType<T: TBaseType> = class(...) ... end; > >>> > >>>is better then, when compared to your parameter example. > >> > >>I indeed don't like the "where T is foo" of Chrome :) So you are totally > >>right, TGType<T : TBaseType> is a lot better and a lot more consistent > >>(with e.g. function parameter syntaxis). > > > > > > Let's sum up the different points for the syntax so far: > > > > - <> will probably be used by Delphi > > - <> bites the < operator > > No, as I said, we should allow template instantiation only in type blocks. type TMyType = boolean(a<b)..(a>b); :) > > - <> makes the parser more difficult and slow > > See above. > > > - <> makes pascal more ambigious > > See above. > > > - alternatives: modifiers or not yet used brackets like (! !) or (# #) > > Ugly :) Sure. But some people like emoticons. !) > > It seems to me, it's a question of: Follow Delphi generics or not. > > And we don't know, where Delphi will go. They will not have generics in > > the next one and a half year and as always: They will do a few things > > completely different than expected. > > If we follow, then we will do, as Florian et al said. > > If not, then the <> is not the best solution. > > > > Is this correct so far? Ok. So, FPC will follow chrome/Delphi? Mattias _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
