mirror of
https://github.com/astaxie/beego.git
synced 2024-12-25 17:00:50 +00:00
28 lines
607 B
Go
28 lines
607 B
Go
|
package hack
|
||
|
|
|
||
|
|
import (
|
||
|
|
"reflect"
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
// no copy to change slice to string
|
||
|
|
// use your own risk
|
||
|
|
func String(b []byte) (s string) {
|
||
|
|
pbytes := (*reflect.SliceHeader)(unsafe.Pointer(&b))
|
||
|
|
pstring := (*reflect.StringHeader)(unsafe.Pointer(&s))
|
||
|
|
pstring.Data = pbytes.Data
|
||
|
|
pstring.Len = pbytes.Len
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// no copy to change string to slice
|
||
|
|
// use your own risk
|
||
|
|
func Slice(s string) (b []byte) {
|
||
|
|
pbytes := (*reflect.SliceHeader)(unsafe.Pointer(&b))
|
||
|
|
pstring := (*reflect.StringHeader)(unsafe.Pointer(&s))
|
||
|
|
pbytes.Data = pstring.Data
|
||
|
|
pbytes.Len = pstring.Len
|
||
|
|
pbytes.Cap = pstring.Len
|
||
|
|
return
|
||
|
|
}
|