View difference between Paste ID: CEuRRrgG and uvazZLbY

 package main
 
 import (
 	"fmt"
 	"os"
-	"syscall"
+
-	"unsafe"
+
 	)
 
 func main() {
 	n := 1000
 	t := 32 * n
-	t := int(unsafe.Sizeof(0)) * n
+
 	map_file, _ := os.Create("/tmp/test.dat")
 	_, _ = map_file.Seek(int64(t - 1), 0)
 	map_file.Write([]byte(" "))
 	defer map_file.Close()
 
-	/*mmap, _ := syscall.Mmap(map_file.Fd(), 0, int(t), syscall.PROT_READ | syscall.PROT_WRITE, syscall.MAP_SHARED)*/
+	mmap, _ := mmap.Map(map_file, mmap.RDWR, 0)
-	mmap, _ := mmap.Map(map_file, syscall.PROT_NONE, mmap.RDWR)
+
-	map_array := (*[1000]int)(unsafe.Pointer(&mmap))
+	for i := 0; i < n; i++ {
 		mmap[i] = byte(i*i)
-	for i:=0; i < n; i++ {
+
-		map_array[i] = i*i
+
 	fmt.Println(mmap)
 }