1
exercism fetch lua rectangles

Rectangles

Count the rectangles in an ASCII diagram like the one below.

1
2
3
4
5
   +--+
  ++  |
+-++--+
|  |  |
+--+--+

The above diagram contains 6 rectangles:

1
2
3
4
5


+-----+
|     |
+-----+
1
2
3
4
5
   +--+
   |  |
   |  |
   |  |
   +--+
1
2
3
4
5
   +--+
   |  |
   +--+


1
2
3
4
5


   +--+
   |  |
   +--+
1
2
3
4
5


+--+
|  |
+--+
1
2
3
4
5

  ++   
  ++   


You may assume that the input is always a proper rectangle (i.e. the length of every line equals the length of the first line).

Running the tests

To run the tests, run the command busted . from within the exercise directory.

Further information

For more detailed information about the Lua track, including how to get help if you're having trouble, please visit the exercism.io Lua language page.

Submitting Incomplete Solutions

It's possible to submit an incomplete solution so you can see how others have completed the exercise.