package main

import "unsafe"
import "reflect"

const BYTES_IN_INT32 = 4
const BYTES_IN_INT16 = 2

func UnsafeCaseInt32ToBytes(val int32) []byte {
	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&val)), Len: BYTES_IN_INT32, Cap: BYTES_IN_INT32}
	return *(*[]byte)(unsafe.Pointer(&hdr))

}

func UnsafeCastInt32sToBytes(ints []int32) []byte {
	length := len(ints) * BYTES_IN_INT32
	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&ints[0])), Len: length, Cap: length}
	return *(*[]byte)(unsafe.Pointer(&hdr))

}

func UnsafeCaseInt16ToBytes(val int16) []byte {
	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&val)), Len: BYTES_IN_INT16, Cap: BYTES_IN_INT16}
	return *(*[]byte)(unsafe.Pointer(&hdr))

}

func UnsafeCastInt16sToBytes(ints []int16) []byte {
	length := len(ints) * BYTES_IN_INT16
	hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&ints[0])), Len: length, Cap: length}
	return *(*[]byte)(unsafe.Pointer(&hdr))

}