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//go:build !go1.20
// +build !go1.20
package strconv
import (
"reflect"
"unsafe"
)
// B2S converts byte slice to a string without memory allocation.
// See https://groups.google.com/forum/#!msg/Golang-Nuts/ENgbUzYvCuU/90yGx7GUAgAJ .
func B2S(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
// S2B converts string to a byte slice without memory allocation.
//
// Note it may break if string and/or slice header will change
// in the future go versions.
func S2B(s string) (b []byte) {
sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
bh.Data = sh.Data
bh.Cap = sh.Len
bh.Len = sh.Len
return b
}
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