golang/test/typeparam/issue51700.go

27 lines
413 B
Go

// run
// Copyright 2022 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[B any](b B) {
if b1, ok := any(b).(interface{ m1() }); ok {
panic(1)
_ = b1.(B)
}
if b2, ok := any(b).(interface{ m2() }); ok {
panic(2)
_ = b2.(B)
}
}
type S struct{}
func (S) m3() {}
func main() {
f(S{})
}