The select Keyword

Importance of the select keyword

The select keyword is really important because it allows us to listen to multiple channels at the same time. A select block can have multiple cases and an optional default case, which mimics the switch statement. It is good for select blocks to have a timeout option just in case. Last, a select without any cases (select{}) waits forever.

In practice, this means that select allows a goroutine to wait on multiple communication operations. So, select gives us the power to listen to ...