// run // Copyright 2021 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main //go:noinline func CopyMap[M interface{ ~map[K]V }, K comparable, V any](m M) M { out := make(M, len(m)) for k, v := range m { out[k] = v } return out } func main() { var m map[*string]int CopyMap(m) }