3 // Copyright 2021 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
13 type AddType interface {
17 // Add can add numbers or strings
18 func Add[T AddType](a, b T) T {
23 if got, want := Add(5, 3), 8; got != want {
24 panic(fmt.Sprintf("got %d, want %d", got, want))
26 if got, want := Add("ab", "cd"), "abcd"; got != want {
27 panic(fmt.Sprintf("got %d, want %d", got, want))