t.Errorf("isSpace(%U) = %v, want %v", i, IsSpace(i), unicode.IsSpace(i))
		}
	}
}

func hideFromVet(s string) string { return s }

func TestNilDoesNotBecomeTyped(t *testing.T) {
	type A struct{}
	type B struct{}
	var a *A = nil
	var b B = B{}
	got := Sprintf(hideFromVet("%s %s %s %s %s"), nil, a, nil, b, nil)
	const expect = "%!s(<nil>) %!s(*fmt_test.A=<nil>) %!s(<nil>) {} %!s(<nil>)"