gin/internal/bytesconv/bytesconv.go
thinkerou 2773ce6e60
add copyright (#2388)
Co-authored-by: Bo-Yi Wu <appleboy.tw@gmail.com>
2020-05-23 22:52:01 +08:00

24 lines
650 B
Go

// Copyright 2020 Gin Core Team. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package bytesconv
import (
"reflect"
"unsafe"
)
// StringToBytes converts string to byte slice without a memory allocation.
func StringToBytes(s string) (b []byte) {
sh := *(*reflect.StringHeader)(unsafe.Pointer(&s))
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
bh.Data, bh.Len, bh.Cap = sh.Data, sh.Len, sh.Len
return b
}
// BytesToString converts byte slice to string without a memory allocation.
func BytesToString(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}