| // 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 a | |
| import "sync" | |
| type Val[T any] struct { | |
| mu sync.RWMutex | |
| val T | |
| } | |
| func (v *Val[T]) Has() { | |
| v.mu.RLock() | |
| } |