disable_select_case.go

package main

import (
	"strconv"
	"time"
)

func main() {
	intsChan := make(chan int)
	stringsChan := make(chan string)

	go sendInts(intsChan)
	go sendStrings(stringsChan)
	go receive(intsChan, stringsChan)

	time.Sleep(time.Second * 5)
}

func sendInts(intsChan chan int) {
	for i := 0; i < 10; i++ {
		time.Sleep(time.Millisecond * 100)
		intsChan <- i
	}
}

func sendStrings(stringsChan chan string) {
	for i := 0; i < 10; i++ {
		time.Sleep(time.Millisecond * 100)
		stringsChan <- strconv.Itoa(i)
	}
}

func receive(intsChan chan int, stringsChan chan string) {
	for i := 0; i < 5; i++ {
		select {
		case i := <-intsChan:
			println("int", i)
			intsChan = nil
			println("will not receive ints anymore")
		case s := <-stringsChan:
			println("string", s)
		}
	}
}