1 // Copyright 2023 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package bytealg 6 7 func LastIndexByte(s []byte, c byte) int { 8 for i := len(s) - 1; i >= 0; i-- { 9 if s[i] == c { 10 return i 11 } 12 } 13 return -1 14 } 15 16 func LastIndexByteString(s string, c byte) int { 17 for i := len(s) - 1; i >= 0; i-- { 18 if s[i] == c { 19 return i 20 } 21 } 22 return -1 23 } 24