mirror of
https://github.com/golang/go
synced 2024-11-17 17:14:45 -07:00
2fbf6aafe7
Change-Id: I9bba21a64d7e9f42395b6fcdf8aa3ca01cf131dc Reviewed-on: https://go-review.googlesource.com/c/go/+/340912 Trust: Keith Randall <khr@golang.org> Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Dan Scales <danscales@google.com>
38 lines
595 B
Go
38 lines
595 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 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))
|
|
}
|