Channel with make

Learn to create a channel with make.

Channels are created with make: ch := make(chan int). This makes an unbuffered channel; the sender blocks until a receiver is ready.

The channel type uses chan + element type: chan int, chan string, chan struct{}. chan struct{} is used for signals (no data).

Channel types

Channel types vary by element type and each serves a different purpose:

One-way channels restrict direction in function parameters; this prevents accidental receive or send on the wrong side.

Inside main, add a make(chan string) call and print channel opened with fmt.Println.

Show example solution

package main

import "fmt"

func main() {
    ch := make(chan string)
    go func() { ch <- "channel açıldı" }()
    fmt.Println(<-ch)
}

Next lesson: Sending data