This has nothing to do with generics. It is a FAQ regarding the conversion
of a container type value. You cannot modify the type of the object in a
container in a called context. This has been true before generics was
introduced. Ignoring generics what do you think should happen if you call a
function that requires a `[]any` slice and pass it a `[]float64` slice?
Consider this pre-generic example:
package main
func do([]any) {
}
func main() {
var a []float64
do(a)
}
On Tue, Oct 10, 2023 at 12:01 AM Torsten Bronger <
bron...@physik.rwth-aachen.de> wrote:
> Hallöchen!
>
> The two most recent Go blog articles make we wonder why
>
> package main
>
> func do[T []E, E any](slice T) {
> }
>
> func main() {
> var a []float64
> do(a)
> }
>
> is valid while
>
> package main
>
> func do[T []any](slice T) {
> }
>
> func main() {
> var a []float64
> do(a)
> }
>
> is not. The error message doe not help me. Can someone explain
> this? Thank you!
>
> Regards,
> Torsten.
>
> --
> Torsten Bronger
>
> --
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> .
>
--
Kurtis Rader
Caretaker of the exceptional canines Junior and Hank
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