They have different layouts in memory. Do you just want to do this:
package main
import (
"fmt"
)
func main() {
a := [3]int{1, 2, 3}
b := a[:]
fmt.Println(b)
}
https://play.golang.org/p/OBY7g3azBE
If so, there's no need for unsafe. If not, what are you trying to do?
On Thu, 2016-11-10 at 21:50 -0800, steve tang wrote:
> Hi theres,
>
> I used unsafe.Pointer to conv Type [3]int to Type []int, But it
> throws
> a runtime error, Could anybody tell me why? many thanks. The test
> code is
> as follows:
>
> package main
>
> import (
> "fmt"
> "unsafe"
> )
>
> func main() {
> a := [3]int{1, 2, 3}
> b := *(*[]int)(unsafe.Pointer(&a))
> fmt.Println(b)
> }
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