test/typeparam/devirtualize2.go - master - githubmirror/go

test/typeparam/devirtualize2.go

28 строк363 B

Keith Randall

cmd/compile: constant-fold loads from constant dictionaries and types

19 май 2023, 21:10

19 май 2023, 21:10bd3f44e

// run

// Copyright 2023 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 S struct {
	x int
}

func (t *S) M1() {
}
func (t *S) M2() {
}

type I interface {
	M1()
}

func F[T I](x T) I {
	return x
}

func main() {
	F(&S{}).(interface{ M2() }).M2()
}