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History of Idiom 20 > diff from v11 to v12

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Version 11

2015-08-21, 16:18:23

Version 12

2015-08-22, 00:39:57

Idiom #20 Return two values

Implement a function search which looks for item x in a 2D matrix m.
Return indices i, j of the matching cell.
Think of the most idiomatic way in the language to return the two values at the same time.

Idiom #20 Return two values

Implement a function search which looks for item x in a 2D matrix m.
Return indices i, j of the matching cell.
Think of the most idiomatic way in the language to return the two values at the same time.

Code 
procedure search(m:t2dMatrix; x:TElement; out i,j:integer);
begin
   for i := 0 to high(m) do
	for j := 0 to high(m[i]) do
            if m[i,j] = x then
               exit;
   i := -1;
   j := -1;
end;