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文件: /usr/share/go-1.23/src/internal/bytealg/indexbyte_generic.go
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// 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. // Avoid IndexByte and IndexByteString on Plan 9 because it uses // SSE instructions on x86 machines, and those are classified as // floating point instructions, which are illegal in a note handler. //go:build !386 && (!amd64 || plan9) && !s390x && !arm && !arm64 && !loong64 && !ppc64 && !ppc64le && !mips && !mipsle && !mips64 && !mips64le && !riscv64 && !wasm package bytealg func IndexByte(b []byte, c byte) int { for i, x := range b { if x == c { return i } } return -1 } func IndexByteString(s string, c byte) int { for i := 0; i < len(s); i++ { if s[i] == c { return i } } return -1 }
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