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// 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 (
"fmt"
"sync"
)
type WrapperWithLock[T any] interface {
PrintWithLock()
}
func NewWrapperWithLock[T any](value T) WrapperWithLock[T] {
return &wrapperWithLock[T]{
Object: value,
}
}
type wrapperWithLock[T any] struct {
Lock sync.Mutex
Object T
}
func (w *wrapperWithLock[T]) PrintWithLock() {
w.Lock.Lock()
defer w.Lock.Unlock()
fmt.Println(w.Object)
}
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