raft/storage.go
func (ms *MemoryStorage) SetHardState(st pb.HardState) error {
	ms.Lock()
	defer ms.Unlock()
	ms.hardState = st
	return nil
}
func (ms *MemoryStorage) SetHardState(st pb.HardState) error {
	ms.Lock()
	defer ms.Unlock()
	ms.hardState = st
	return nil
}
func ( ms * MemoryStorage ) SetHardState ( st pb . HardState ) error { ms . Lock ( ) defer ms . Unlock ( ) ms . hardState = st return nil }
// SetHardState saves the current HardState.
SetHardState saves the current HardState .