-- functionextraction_extract_smart_initialization_5_2 --
package extract

func _() {
	var a []int
	//@mark(exSt6, "a")
	a, b := fn0(a)           //@mark(exEn6, "4")
	//@extractfunc(exSt6, exEn6)
	a = append(a, b)
}

func fn0(a []int) ([]int, int) {
	a = append(a, 2)
	b := 4
	return a, b
}