Thanks for confirming!
On Tuesday, August 30, 2016 at 5:16:45 PM UTC-7, Ian Lance Taylor wrote:
>
> On Tue, Aug 30, 2016 at 4:11 PM, <a.curious....@gmail.com <javascript:>>
> wrote:
> >
> > I see that interface{} is used in go's container/list
> > https://golang.org/src/container/list/list.go
> >
> > In using this container am I expected to type assert the element's
> Value?
>
> Yes.
>
> > And is this pattern of returning an interface{} and then "casting" it
> > typically accepted in practice to avoid duplication of larger code?
>
> Pretty much, yes. It's a trade-off between code duplication and
> compile-time type safety.
>
> Note that in general you don't want to use container/list. Use a
> slice instead. There are only a few special cases where
> container/list is better than a slice. And if you use a slice you
> don't need to worry about a type assertion.
>
> Ian
>
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