Re: [go-nuts] [generics] A Channel of a Generic Structure

[teivah]

Cool, it does work, thanks!

Btw, thank you guys for your work. I know there are a lot of discussions 
going on but personally I'm very happy with generics so far. I'll keep 
working on my migration.

On Thursday, 18 June 2020 00:39:02 UTC+2, Ian Lance Taylor wrote:
>
> On Wed, Jun 17, 2020 at 2:37 PM Harald Weidner  > wrote: 
> > 
> > > Here is the playground: https://go2goplay.golang.org/p/CVvUuNJVX-M 
> > > I am unable to make this example to compile. 
> > 
> > This one compiles: 
> > https://go2goplay.golang.org/p/2rmaCymukdv 
>
> Thanks.  I'm not sure why those parentheses are needed.  Filed 
> https://golang.org/issue/39670 to either fix the parser or update the 
> design draft. 
>
> Ian 
>

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Re: [go-nuts] [generics] A Channel of a Generic Structure

[Ian Lance Taylor]

On Wed, Jun 17, 2020 at 2:37 PM Harald Weidner  wrote:
>
> > Here is the playground: https://go2goplay.golang.org/p/CVvUuNJVX-M
> > I am unable to make this example to compile.
>
> This one compiles:
> https://go2goplay.golang.org/p/2rmaCymukdv

Thanks.  I'm not sure why those parentheses are needed.  Filed
https://golang.org/issue/39670 to either fix the parser or update the
design draft.

Ian

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Re: [go-nuts] [generics] A Channel of a Generic Structure

[Harald Weidner]

Hello,

> Here is the playground: https://go2goplay.golang.org/p/CVvUuNJVX-M
> I am unable to make this example to compile.

This one compiles:
https://go2goplay.golang.org/p/2rmaCymukdv

Regards,
Harald

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[go-nuts] [generics] A Channel of a Generic Structure

[teivah . dev]

Hello all,

I'm working on implementing generics on a big container projet.
So far, everything was good except for this very case:

type Foo(type T) struct {
   v int
}

func (_ *Foo(T)) bar() int {
   elem := <-make(chan Foo(T))
   return elem.v
}


*Foo* being a generic structure, I have a method *bar* that has a *Foo* 
receiver (pointer or not, whatever).
This methods has to create a channel of *Foo* and return the first *Foo.v* 
value from the channel (of course this example is stupid but this a 
reduction from a real use-case).

Here is the playground: https://go2goplay.golang.org/p/CVvUuNJVX-M
I am unable to make this example to compile.

Do you guys have a solution?

Cheers

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