Avoid if statements for checking neighboring indexes in a 2D array

[Andrea Fontana via Digitalmars-d-learn]

On Sunday, 16 July 2017 at 10:37:39 UTC, kerdemdemir wrote:
> My goal is to find connected components in a 2D array for 
> example finding connected '*'
> chars below.

You can also use a queue to avoid recursion that should improve 
performances and readibility.

Probably using ndslice library could help you!

Andrea