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45964e4f9c
Move bytes.Count and strings.Count to bytealg. Update #19792 Change-Id: I3e4e14b504a0b71758885bb131e5656e342cf8cb Reviewed-on: https://go-review.googlesource.com/98495 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
33 lines
586 B
Go
33 lines
586 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build amd64
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package bytealg
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//go:noescape
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func Count(b []byte, c byte) int
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//go:noescape
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func CountString(s string, c byte) int
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// A backup implementation to use by assembly.
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func countGeneric(b []byte, c byte) int {
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n := 0
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for _, x := range b {
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if x == c {
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n++
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}
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}
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return n
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}
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func countGenericString(s string, c byte) int {
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n := 0
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for i := 0; i < len(s); i++ {
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if s[i] == c {
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n++
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}
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}
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return n
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}
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