Go language implements machine size side judgment code sharing
- 2020-05-05 11:22:37
- OfStack
How does golang determine the size of the machine?
The following code is for reference:
package main
import (
"fmt"
"unsafe"
)
const N int = int(unsafe.Sizeof(0))
func main() {
x := 0x1234
p := unsafe.Pointer(&x)
p2 := (*[N]byte)(p)
if p2[0] == 0 {
fmt.Println(" Machine: big end ")
} else {
fmt.Println(" Machine: small end ")
}
}