1 // Copyright 2020 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 //go:build compiler_bootstrap
6 7 package strconv
8 9 // index returns the index of the first instance of c in s, or -1 if missing.
10 func index(s []byte, c byte) int {
11 for i := 0; i < len(s); i++ {
12 if s[i] == c {
13 return i
14 }
15 }
16 return -1
17 }
18