Kuidas toimub andmete edastamine mitte-puhverdatud kanalil?

In Go, an unbuffered channel (without buffer) provides synchronized data transfer between goroutines. This means that sending a value to the channel blocks until another goroutine receives that value from the channel, and vice versa — receiving blocks until there is a value to read.

Thus, data transfer through an unbuffered channel occurs with synchronization of sender and receiver, guaranteeing data exchange without intermediate storage.

Example:

ch := make(chan int) // unbuffered channel

go func() {
    ch <- 42 // sending blocks until someone reads
}()

value := <-ch // receiving blocks execution until a value appears
fmt.Println(value) // will print 42

In this example, the goroutine sends a number to the channel and blocks until the main goroutine reads that number.