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75032a7164
* Emit warning for fixities with no export modifiers This is to help update all the existing code to program with explicit fixity export directives in preparation for the behavioral change where they will become private by default.
20 lines
359 B
Idris
20 lines
359 B
Idris
module List
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data List a = Nil | (::) a (List a)
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export infixr 5 ::
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export infixr 5 ++
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interface Monoid ty where
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||| Users can hand-craft their own monoid implementations
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constructor MkMonoid
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neutral : ty
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(++) : ty -> ty -> ty
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Monoid (List a) where
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neutral = []
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xs ++ ys = case xs of
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[] => ys
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(x :: xs) => let ih = xs ++ ys in x :: ih
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