[ACCEPTED]-SetLength on multidimensional array-pascal

Accepted answer
Score: 23
  arr: array of array of real;


SetLength(arr, 10, 20); // creates a 10 by 20 matrix

A bad, but equivalent, way of doing this 1 is to do

SetLength(arr, 10);
for i := low(arr) to high(arr) do
  SetLength(arr[i], 20);

The latter approach allows "non-rectangular" arrays, however.

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