golang issue47924 代码
文件路径：/test/typeparam/issue47924.go
/ compile
/ 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 p
type Cache[K any] struct{}
func (c Cache[K]) foo(x interface{}, f func(K) bool) {
f(x.(K))
}
var _ Cache[int]