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53 lines
1.0 KiB
Idris
53 lines
1.0 KiB
Idris
module Syntax
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%default total
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{- -- interfaces don't work yet
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{0 a : Type} -> (foo : Show a) => Show (Maybe a) where
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-}
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showMaybe : {0 a : Type} -> (assumption : Show a) => Maybe a -> String
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showMaybe x@ma = case map (id . id) ma of
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Nothing => "Nothing"
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Just a => "Just " ++ show a
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nats : List Nat
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nats =
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let n = 5
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m = 7
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xs = [id $ id 0]
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ys = [1, 2, m, n, 3] ++ xs
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in [n,id $ id m] ++ [1, 2, m, n, 3] ++ xs
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record ANat where
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constructor MkANat
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aNat : Nat
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doBlock : Maybe ANat
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doBlock
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= do let a = 3
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let b = 5
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(c, _) <- Just (7, 9)
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let (d, e) = (c, c)
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f <- [| Nothing + Just d |]
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pure $ MkANat $ sum [a,b,c,d,e,f]
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parameters (x, y, z : Nat)
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add3 : Nat
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add3 = x + y + z
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parameters (x, y : Nat) (z, a : Nat)
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add4 : Nat
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add4 = x + y + z + a
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anonLam : Maybe (m : Nat ** n : Nat ** m === n)
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anonLam = map (\m => (m ** m ** Refl))
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$ map (uncurry $ \ m, n => m + n)
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$ map (\ (m, n) => (n, m))
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$ map (\ m => (m, m))
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$ map (\ m => S m.aNat)
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doBlock
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