gosora/uutils/utils.go

package uutils

import (
    "reflect"
    "runtime"
    "unsafe"
)

// TODO: Add a safe build mode for things like Google Appengine

func StringToBytes(s string) (bytes []byte) {
    str := (*reflect.StringHeader)(unsafe.Pointer(&s))
    slice := (*reflect.SliceHeader)(unsafe.Pointer(&bytes))
    slice.Data = str.Data
    slice.Len = str.Len
    slice.Cap = str.Len
    runtime.KeepAlive(&s)
    return bytes
}

func BytesToString(bytes []byte) (s string) {
    slice := (*reflect.SliceHeader)(unsafe.Pointer(&bytes))
    str := (*reflect.StringHeader)(unsafe.Pointer(&s))
    str.Data = slice.Data
    str.Len = slice.Len
    runtime.KeepAlive(&bytes)
    return s
}

//go:noescape
//go:linkname nanotime runtime.nanotime
func nanotime() int64

func Nanotime() int64 {
    return nanotime()
}