mirror of
https://github.com/golang/go.git
synced 2025-12-08 06:10:04 +00:00
34 lines
586 B
Go
34 lines
586 B
Go
|
|
// 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
|
||
|
|
|
||
|
|
package bytealg
|
||
|
|
|
||
|
|
//go:noescape
|
||
|
|
func Count(b []byte, c byte) int
|
||
|
|
|
||
|
|
//go:noescape
|
||
|
|
func CountString(s string, c byte) int
|
||
|
|
|
||
|
|
// A backup implementation to use by assembly.
|
||
|
|
func countGeneric(b []byte, c byte) int {
|
||
|
|
n := 0
|
||
|
|
for _, x := range b {
|
||
|
|
if x == c {
|
||
|
|
n++
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return n
|
||
|
|
}
|
||
|
|
func countGenericString(s string, c byte) int {
|
||
|
|
n := 0
|
||
|
|
for i := 0; i < len(s); i++ {
|
||
|
|
if s[i] == c {
|
||
|
|
n++
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return n
|
||
|
|
}
|