Idris2/tests/idris2/basic004/Wheres.idr

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module Wheres
import Stuff
reverse : List a -> List a
reverse xs = rev' Nil xs
where
rev' : List a -> List a -> List a
rev' acc Nil = acc
rev' acc (x :: xs) = rev' (x :: acc) xs
foo : Int -> Int
foo x = case isLT of
Yes => prim__mul_Int x 2
No => prim__mul_Int x 4
where
data MyLT = Yes | No
isLT : MyLT
isLT = ifThenElse (intToBool (prim__lt_Int x 20)) Yes No