package starmap

import "errors"

func Get(key string) (interface{}, error) {
	var err error
	kvmu.RLock()
	defer kvmu.RUnlock()
	data, ok := kvMap[key]
	if !ok {
		err = errors.New("key not exists")
	}
	return data, err
}

func Store(key string, value interface{}) error {
	kvmu.Lock()
	defer kvmu.Unlock()
	kvMap[key] = value
	return nil
}

func Delete(key string) error {
	kvmu.Lock()
	defer kvmu.Unlock()
	delete(kvMap, key)
	return nil
}

func Range(run func(k string, v interface{}) bool) error {
	for k, v := range kvMap {
		if !run(k, v) {
			break
		}
	}
	return nil
}