package afterlock

import (
	"sync"
)


// AtomicFlag implements a simple, thread-safe boolean flag
type AtomicFlag struct {
	value bool
	mutex sync.RWMutex
}

// NewAtomicFlag builds a new instance
func NewAtomicFlag(value bool) *AtomicFlag {
	return &AtomicFlag{value: value}
}

// Get the flag
func (f *AtomicFlag) Get() bool {
	f.mutex.RLock()
	defer f.mutex.RUnlock()
	return f.value
}

// Set the flag
func (f *AtomicFlag) Set(value bool) {
	f.mutex.Lock()
	defer f.mutex.Unlock()
	f.value = value
}