On Thu Mar 10, 2022 at 12:41 PM CET, Manlio Perillo wrote:
> Interesting example, thanks.
>
> But how does `type self *self` works? If I remember correctly, it is not
> discussed in the Language Specification and in The Go Programming Language
> book.
>
I don't think it's mentioned in the specification, my bet is that
unless your type requires inifnity amout of memory (eg: `type t struct
{t}`) or the type is an interface and break its rules, (eg: `type
iface interface{ iface }`) you can use self-reference.
> By the way, in C `typedef self *self` is invalid (assuming my code is
> written correctly).
You're correct, C doesn't allow self reference in type decl, more
interesting types beside pointers:
`type fn func() fn`
`type s []s`
`type ch chan ch`
`type m map[*m]m`
-w
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