Go Concurrency Patterns: Timing out, moving on - The Go Programming Language

Andrew Gerrand 23 September 2010 Concurrent programming has its own idioms. A good example is timeouts. Although Go’s channels do not support them directly, they are easy to implement. Say we want to receive from the channel ch, but want to wait at most one second for the value to arrive. We would start by creating a signalling channel and launching a goroutine that sleeps before sending on the ch