| // 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 | |
| type A[T any] struct { | |
| field B[T] | |
| } | |
| type B[T any] interface { | |
| Work(T) | |
| } | |
| func (a *A[T]) Work(t T) { | |
| a.field.Work(t) | |
| } | |
| type BImpl struct{} | |
| func (b BImpl) Work(s string) {} | |
| func main() { | |
| a := &A[string]{ | |
| field: BImpl{}, | |
| } | |
| a.Work("") | |
| } |