_ = a
	a, b, b /* ERROR "b repeated on left side of :=" */ := 1, 2, 3
	_ = b
	c, c /* ERROR "c repeated on left side of :=" */, b := 1, 2, 3
	_ = c
	a, b := /* ERROR "no new variables" */ 1, 2
}

func shortVarDecls1() {
	const c = 0
	type d int
	a, b, c /* ERROR "cannot assign" */ , d /* ERROR "cannot assign" */  := 1, "zwei", 3.0, 4
	var _ int = a // a is of type int
	var _ string = b // b is of type string
}