evaluation_order_4.go

package main

import "fmt"

func f() int {
	fmt.Println("calling f")
	return 1
}
func g(a, b, c int) int {
	fmt.Println("calling g")
	return 2
}
func h() int {
	fmt.Println("calling h")
	return 3
}

func i() int {
	fmt.Println("calling i")
	return 1
}

func j() int {
	fmt.Println("calling j")
	return 1
}
func k() bool {
	fmt.Println("calling k")
	return true
}

func main() {
	var y = []int{11, 12, 13}
	var x = []int{21, 22, 23}

	var c chan int = make(chan int)
	go func() {
		c <- 1
	}()

	y[f()], _ = g(h(), i()+x[j()], <-c), k()
}