On Thu, Oct 18, 2018 at 2:02 PM Ian Denhardt <i...@zenhack.net> wrote:
>
> Quoting robert engels (2018-10-18 15:22:36)
> > Can you explain this a bit more, I must be missing something. Using the
> > example:
> >
> > func F(a,b type T like(int,X)) {
> > if a<b {
> > ...
> > }
> > }
> >
> > How do you pass a struct to F because < isn’t valid on structs ???
> >
> > Which is why I proposed that < maps to Less() and then the primitives
> > simplicity implement these various methods, and user defined structs MIGHT.
> >
> > That way you write the code using Less(), and it works with primitives as
> > well.
>
> This is what I was getting at; simply making the operators correspond to
> methods is a well-known and fairly straightforward solution to the
> problem, and it seems like the idea proposed in this thread is much more
> complex.
>
> Once you allow operators to simply correspond to methods, you can just
> worry about how to abstract over methods, which you can do with
> interfaces. My proposal outlines a variant of this that is fairly
> simple, yet (once adding something like operator overloading) is still
> able to handle every single example in the draft.
>
> You can either give the primitive types methods, or allow methods to
> override operators; both approaches work.
>
> Burak, apologies if I've misinterpreted your own line of thinking.
You did not misinterpret what I said. I agree that your proposal is
quite similar to mine.
One crucial difference between the two is, I think, my line of
thinking is based on templates, and yours is on interfaces. So using
my approach, you can require that a type contains certain members, not
just methods. I don't know how important that is, but after working
with Java for many years, I developed a strong dislike for
getter/setters.
>
> -Ian
>
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