| // Copyright 2020 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 p | |
| type Number1 interface { | |
| // embedding non-interface types is permitted | |
| int | |
| float64 | |
| } | |
| func Add[T Number1](a, b T) T { | |
| return a /* ERROR not defined */ + b | |
| } | |
| type Number2 interface { | |
| int|float64 | |
| } | |
| func Add2[T Number2](a, b T) T { | |
| return a + b | |
| } |