Re: Syntax for generic parameter declaration

> > C# programmers lobby :-)
>
> I'm mainly a c# programmer so i'm quite used to it's way of doing
> things. It's not really a compelling argument for designing one
> langauge that you should do as all the others did. If we followed that
> reasoning they'd all be lisp or c which isn't desirable. Python
> doesn't really have this sort of construct because we're talking
> typing but that doesn't mean the c# way is the best way to proceed.
>
> It irritates me slightly with C# that when i declare a generic
> parameter that i have to remember the paramters as i'm typing and once
> i get finished writing the argument list i have to reintroduce the
> generic parameter names and apply constraints to them, it's sort of a
> syntactic "see later" and it doesn't need to happen. When you declare
> types you intriduce the name and specify it's bases immediately so i'd
> find it neater to do the same with generics. It also happens to map
> quite closely to the IL layout.
>
> > properties use [] in the type definition
>
> Ah, hadn't thought of that one. Thanks. More a symptom of a lack of
> available pairs and too much overloadng on [] than anything else.
>
> > public static def foobar(par1 as T, par2 as Z, par3 as Y)
> >    generic T : of, where constraint (optional)
> >    generic Z : of, where constraint (optional)
> >    generic Y
>
> Now this could work, with a few small changes :)
> How about:
>
> public static def foobar(par1 as T, par2 as Z, par3 as Y) as What
>    generic T(IFoo,contravariant)
>    generic Z(constructor)
>    generic Y(covariant):
>    print "types: {0}",typeof(T).Name,typeof(Z).Name,typeof(Y).Name