unixunsafe.Pointeruintptr
*
unsafe.Pointer
p := *(*unsafe.Pointer)(unsafe.Pointer(&os.Args[position]))
for i := 0; i < len(os.Args[position]); i++ {
	*(*uint8)(unsafe.Pointer(uintptr(p) + uintptr(i))) = '*'
}
ps
go run test.go 1 2 飒飒 4 5
ps -ux
USER      ......   COMMAND
fumiama   ......   ....../test 1 2 ****** 4 5
......
直接使用
windows
import para "github.com/fumiama/go-hide-param"
// This will hide os.Args[index]
para.Hide(index)