diff options
Diffstat (limited to 'test/typeparam/adder.go')
-rw-r--r-- | test/typeparam/adder.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/typeparam/adder.go b/test/typeparam/adder.go new file mode 100644 index 0000000..fbb4925 --- /dev/null +++ b/test/typeparam/adder.go @@ -0,0 +1,29 @@ +// 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 + +import ( + "fmt" +) + +type AddType interface { + int | int64 | string +} + +// Add can add numbers or strings +func Add[T AddType](a, b T) T { + return a + b +} + +func main() { + if got, want := Add(5, 3), 8; got != want { + panic(fmt.Sprintf("got %d, want %d", got, want)) + } + if got, want := Add("ab", "cd"), "abcd"; got != want { + panic(fmt.Sprintf("got %d, want %d", got, want)) + } +} |