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Pattern Matching

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Example from 1 languages: Haskell
fib 0 = 1 fib 1 = 1 fib n | n >= 2 = fib (n-1) + fib (n-2)
Example from 1 languages: Elixir
def fib(0), do: 1 def fib(1), do: 1 def fib(n) when n >= 2, do: fib(n-1) + fib(n-2)
Example from 1 languages: Coconut
match [head] + tail in [0, 1, 2, 3]: print(head, tail)
Example from 1 languages: Felix
match x with | Some x => println$ x; | None => println "NONE"; endmatch;
Example from 1 languages: Aardvark
This functionality is included in switch statements.
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Languages with Pattern Matching include Rust, Haskell, Elixir, Coconut, Felix, Egison, HOPE, Aardvark, NPL

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Languages without Pattern Matching include progsbase, Veryl

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