Re: deep copy or shallow copy?

[Timon Gehr]

On 12/08/2011 09:50 PM, RenatoL wrote:

snippet 1)
        auto arr1 = [1,2,3];
        auto arr2 = arr1;
        arr1[1] = 22;
        arr2[2] = 33;
        foreach (i; 0..arr1.length) write(arr1[i], " ");
        writeln();
        foreach (i; 0..arr2.length) write(arr2[i], " ");

output:
1 22 33
1 22 33
OK

snippet 2)

        int[3] arr1 = [1,2,3];
        int[3] arr2 = arr1;
        arr1[1] = 22;
        arr2[2] = 33;
        foreach (i; 0..arr1.length) write(arr1[i], " ");
        writeln();
        foreach (i; 0..arr2.length) write(arr2[i], " ");

output:

1 22 3
1 2 33

that's unclear to me... i "agree" with the behaviour of the
dynamic array... but if we have a static array we have a deep copy?

Both copies are 'shallow', but static arrays are value types.