1ce7047bf5
This PR moves away from using `List.get` / `List.get?` / `List.get!` and `Array.get!`, in favour of using the `GetElem` mediated getters. In particular it deprecates `List.get?`, `List.get!` and `Array.get?`. Also adds `Array.back`, taking a proof, matching `List.getLast`.
12 lines
253 B
Text
12 lines
253 B
Text
def foo (array : Array Nat) : Nat -> Nat
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| 0 => 0
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| n + 1 =>
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let array := array.filter (!.==5)
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if array.isEmpty then
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0
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else
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let arrayOfLast := #[array.back!]
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foo arrayOfLast n
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def main : IO Unit :=
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IO.println ("hi")
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