| // run -gcflags=-G=3 |
| |
| // 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 |
| |
| func f[T any](i interface{foo()}) { |
| switch i.(type) { |
| case interface{bar() T}: |
| println("barT") |
| case myint: |
| println("myint") |
| case myfloat: |
| println("myfloat") |
| default: |
| println("other") |
| } |
| } |
| |
| type myint int |
| func (myint) foo() { |
| } |
| func (x myint) bar() int { |
| return int(x) |
| } |
| |
| type myfloat float64 |
| func (myfloat) foo() { |
| } |
| |
| func main() { |
| f[int](nil) |
| f[int](myint(6)) |
| f[int](myfloat(7)) |
| } |
