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Optimize TouUnsafeBytes to make it leaner, more standards-compliant and (#5880)

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slightly faster.
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helen 2024-02-29 23:10:10 +08:00 committed by GitHub
parent b9b4e859be
commit 8266b77d0e
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1 changed files with 1 additions and 7 deletions
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8
lib/bytesutil/bytesutil.go
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@ -2,7 +2,6 @@ package bytesutil
import ( import (
"math/bits" "math/bits"
"reflect"
"unsafe" "unsafe"
) )
@ -72,10 +71,5 @@ func ToUnsafeString(b []byte) string {
// //
// The returned byte slice is valid only until s is reachable and unmodified. // The returned byte slice is valid only until s is reachable and unmodified.
func ToUnsafeBytes(s string) (b []byte) { func ToUnsafeBytes(s string) (b []byte) {
sh := (*reflect.StringHeader)(unsafe.Pointer(&s)) return unsafe.Slice(unsafe.StringData(s), len(s))
slh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
slh.Data = sh.Data
slh.Len = sh.Len
slh.Cap = sh.Len
return b
} }