c <- "abcdefghijklmnop"[i : i+1]
		}
		close(c)
	}()
	return c
}

// vfunc takes a *V and a V
func vfunc(V, *V) string {
	return "vfunc"
}

// valueString takes a string, not a pointer.
func valueString(v string) string {
	return "value is ignored"
}

// returnInt returns an int
func returnInt() int {
	return 7
}

func add(args ...int) int {
	sum := 0