typeover
curriculum

Curriculum Concurrency Channels exercise 2 · mcq

Channels

Pick the statement that best describes the difference between an UNBUFFERED channel (make(chan int)) and a BUFFERED channel with capacity 5 (make(chan int, 5)).

TypeScript reference
Pick the idiomatic Go translation

About this theme

Channels are typed pipes between goroutines. ch <- v sends, v := <-ch receives. Unbuffered channels are a synchronisation primitive: send blocks until receive completes. Buffered channels decouple the two. Channel direction (<-chan T, chan<- T) is part of the type signature.