But it is the varadic one that works according to OP. > On Oct 24, 2018, at 4:19 AM, Jan Mercl <0xj...@gmail.com> wrote: > > On Wed, Oct 24, 2018 at 7:34 AM Mayank Jha <mayank25080...@gmail.com> wrote: > > > why does A() not work while B works here, > > https://play.golang.org/p/59bpr8TCIge > > Type mismatch. The compiler is clear about it: > > prog.go:8:12: cannot use s (type []string) as type []interface {} in > append > > From https://golang.org/ref/spec#Appending_and_copying_slices > > ---- > The variadic function append appends zero or more values x to s of type S, > which must be a slice type, > and returns the resulting slice, also of type S. The values x are passed to a > parameter of type ...T > where T is the element typeof S and the respective parameter passing rules > apply. As a special case, > append also accepts a first argument assignable to type []byte with a second > argument of string type > followed by .... This form appends the bytes of the string. > --- > > In the OP code, type T is `interface{}`, but the appended elements have type > `string`. That violates the above quoted specs. > > > -- > -j > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout.
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