Re: Copying array with const correctness

[Vindex9 via Digitalmars-d-learn]

So far, the simplest solution is to create a separate function 
for a two-dimensional array:

```d
auto copy2DArray(T)(const T[][] arr) if (!is(T == class)) {
    T[][] copy;
    foreach(row; arr) {
        T[] tmp;
        foreach(field; row) {
            tmp ~= field;
        }
        copy ~= tmp;
    }
    return copy;
}
```
However, the metamorphoses of the types from my first example are 
very mysterious.