Add channels

channels/channels.go

@@ -0,0 +1,46 @@
+package channels
+
+import (
+	"fmt"
+	"strings"
+	"unicode/utf8"
+)
+
+func header(title string) {
+	fmt.Println(strings.Repeat("-", utf8.RuneCountInString(title)))
+	fmt.Println(title)
+	fmt.Println(strings.Repeat("-", utf8.RuneCountInString(title)))
+	fmt.Println()
+}
+
+func simpleChannels() {
+	header("Simple channels")
+
+	message := make(chan string)
+
+	go func() {
+		message <- "beep bop!"
+	}()
+
+	msg := <-message
+	fmt.Println("Received secret message:", msg)
+	fmt.Println("Done")
+}
+
+func bufferedChannels() {
+	header("Buffered channels")
+
+	message := make(chan string, 2)
+
+	message <- "secret 1!"
+	message <- "secret 2!"
+
+	fmt.Println("First message:", <-message)
+	fmt.Println("Second message:", <-message)
+	fmt.Println("Done")
+}
+
+func Channels() {
+	simpleChannels()
+	bufferedChannels()
+}

main.go

@@ -4,12 +4,14 @@ package main
 // import "git.sangeeth.dev/gobyexample/structs"
 // import "git.sangeeth.dev/gobyexample/generics"
 // import "git.sangeeth.dev/gobyexample/errors"
-import "git.sangeeth.dev/gobyexample/goroutines"
+// import "git.sangeeth.dev/gobyexample/goroutines"
+import "git.sangeeth.dev/gobyexample/channels"
 
 func main() {
 	// runes.Runes()
 	// structs.Structs()
 	// generics.Generics()
 	// errors.Errors()
-	goroutines.Goroutines()
+	// goroutines.Goroutines()
+	channels.Channels()
 }