Difficulty copying multi dimensional static array to dynamic array.

[Derek Parnell]

On Tue, 26 Feb 2008 09:39:49 +1100, Derek Parnell wrote:

> On Mon, 25 Feb 2008 23:11:11 +0100, Saaa wrote:
> 
>> Using ref should do the trick without pointers.

Oh and if it's "tricks" you want ;-) this works ...

import std.stdio;
struct nastytrick(T)
{
    T m;
}

alias float[3][5]       a2D;
alias nastytrick!(a2D) sa2D;

void fillArray(ref sa2D data)
{
  invariant int maxi = data.m.length;
  invariant int maxj = data.m[0].length;
    
  for (int i = 0; i < maxi; i++)
      for (int j = 0; j < maxj; j++)
        data.m[i][j] = i*maxj + j;
  
}
void main()
{
    sa2D x; // declare static array inside its struct wrapper.
    fillArray( x );
    std.stdio.writefln("%s", x.m);
}

It seems very odd that a struct can be passed using 'ref' but a fixed
length array can't be. 

-- 
Derek
(skype: derek.j.parnell)
Melbourne, Australia
26/02/2008 10:27:35 AM