I’ve had a few discussions with beginners over the last few months that often come to center around not really understanding the conditional branching constructs in Erlang, so I decided to do a video on it using “FizzBuzz” as the central example.
The traditional if/else if/else boolean paradigm is quite different from Erlang’s concept of matching and guards in
case and function head matches and an
if construct that is really more appropriate for range checks than general boolean branching. Hopefully I was able to explain at least a little bit about why Erlang’s matching and guards are a much more flexible method for writing conditionals once you grow accustomed to thinking in these terms.