|  | // Copyright 2018 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. | 
|  |  | 
|  | // +build amd64 arm64 s390x | 
|  |  | 
|  | package bytealg | 
|  |  | 
|  | //go:noescape | 
|  |  | 
|  | // Index returns the index of the first instance of b in a, or -1 if b is not present in a. | 
|  | // Requires 2 <= len(b) <= MaxLen. | 
|  | func Index(a, b []byte) int | 
|  |  | 
|  | //go:noescape | 
|  |  | 
|  | // IndexString returns the index of the first instance of b in a, or -1 if b is not present in a. | 
|  | // Requires 2 <= len(b) <= MaxLen. | 
|  | func IndexString(a, b string) int |