// errorcheck // Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Check that the error says s[2] is a byte, not a uint8. package p func f(s string) { var _ float64 = s[2] // ERROR "cannot use.*type byte.*as type float64|cannot use .* as float64 value" }