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jaypowley/fizzbuzz_active_patterns.fsx

Last active January 4, 2019 19:30
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F# FizzBuzz with Active Patterns
Raw
fizzbuzz_active_patterns.fsx
let (|MultOf3|_|) i = if i % 3 = 0 then Some MultOf3 else None
let (|MultOf5|_|) i = if i % 5 = 0 then Some MultOf5 else None
let fizzBuzz i =
match i with
| MultOf3 & MultOf5 -> printf "FizzBuzz, "
| MultOf3 -> printf "Fizz, "
| MultOf5 -> printf "Buzz, "
| _ -> printf "%i, " i
[1..100] |> List.iter fizzBuzz
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