### Erlang fizzbuzzery: Project Euler Problem 1

Another excercise in solving a simple problem using multiple programming idioms in the same language, Erlang. This time the simple problem is Problem 1 from Project Euler: "If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000." In particular, the solutions presented are (1) a simple single-function loop which uses `if`

to check for termination and matching numbers, (2) a simple loop using Erlang's *guard* syntax, and (3) a few solutions using some of the functions of the `lists`

module, one using Erlang's *list comprehension* syntax.

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