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33 lines
551 B
Go
33 lines
551 B
Go
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package a
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import (
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"fmt"
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"sync"
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)
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type WrapperWithLock[T any] interface {
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PrintWithLock()
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}
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func NewWrapperWithLock[T any](value T) WrapperWithLock[T] {
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return &wrapperWithLock[T]{
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Object: value,
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}
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}
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type wrapperWithLock[T any] struct {
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Lock sync.Mutex
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Object T
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}
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func (w *wrapperWithLock[T]) PrintWithLock() {
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w.Lock.Lock()
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defer w.Lock.Unlock()
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fmt.Println(w.Object)
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}
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