Deconstructing Type Parameters - The Go Programming Language

The Go Blog Deconstructing Type Parameters Ian Lance Taylor 26 September 2023 slices package function signatures The slices.Clone function is pretty simple: it makes a copy of a slice of any type. func Clone[S ~[]E, E any](s S) S { return append(s[:0:0], s...) } This works because appending to a slice with zero capacity will allocate a new backing array. The function body winds up being shorter th