Re: Rotate array in writefln?

[Stefan Koch via Digitalmars-d-learn]

On Wednesday, 18 April 2018 at 06:54:29 UTC, Chris Katko wrote:

I need to rotate an array by 90 degrees, or have writefln figure that out.

I need, say:

0 4 5 6
0 0 0 0
0 0 0 0
0 0 0 0

But it's outputting:

0 0 0 0
4 0 0 0
5 0 0 0
6 0 0 0

int [4][4] data;
file.writeln(format("%(%-(%d %)\n%)", data));

You can transpose the matrix :)