mirror of
https://github.com/golang/go
synced 2024-11-24 10:40:10 -07:00
32 lines
481 B
Go
32 lines
481 B
Go
|
// 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 main() {
|
||
|
check[string]()
|
||
|
}
|
||
|
|
||
|
func check[T any]() {
|
||
|
var result setter[T]
|
||
|
switch result.(type) {
|
||
|
case fooA[T]:
|
||
|
case fooB[T]:
|
||
|
}
|
||
|
}
|
||
|
|
||
|
type setter[T any] interface {
|
||
|
Set(T)
|
||
|
}
|
||
|
|
||
|
type fooA[T any] struct{}
|
||
|
|
||
|
func (fooA[T]) Set(T) {}
|
||
|
|
||
|
type fooB[T any] struct{}
|
||
|
|
||
|
func (fooB[T]) Set(T) {}
|