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neg.dots

Purpose

Since there is no way to set a dot’s value to a negative number directly, this librairy is a shortcut to changes the value of a dot to its opposite.

Usage

 T
L+R
 B

Parameters

• L, R, T or B: The entry for the dot can be any of the 4 directions.
• R, L, B or T: And the dot will go out to the opposite direction, continuing its way.

Example

%!neg.dots n

.--#42--n--$#--\
               |
               n
     /--$#-&   |
     n         $
     |         #
     \-#$--n---/

Output

-42
42
-42
42

Source

The source code is availaible here . If something doesn’t work, do not hesitate to open an issue.

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