// store stores msg under given seq id.
store stores msg under given seq id.
// store stores msg under given seq id .
func (m *sharedMap) store(seqID int32, msg EventHandler) {
	if seqID == 0 {
		return
	}
	shard := m.getShard(seqID)
	shard.Lock()
	shard.msgs[seqID] = msg
	shard.Unlock()
}
func ( m * sharedMap ) store ( seqID int32 , msg EventHandler ) { if seqID == 0 { return } shard := m . getShard ( seqID ) shard . Lock ( ) shard . msgs [ seqID ] = msg shard . Unlock ( ) }
store stores msg under given seq id.
store stores msg under given seq id .
// Get map shard.