summaryrefslogtreecommitdiff
path: root/transfer/examples/overload.tr
diff options
context:
space:
mode:
Diffstat (limited to 'transfer/examples/overload.tr')
-rw-r--r--transfer/examples/overload.tr157
1 files changed, 0 insertions, 157 deletions
diff --git a/transfer/examples/overload.tr b/transfer/examples/overload.tr
deleted file mode 100644
index dafefa203..000000000
--- a/transfer/examples/overload.tr
+++ /dev/null
@@ -1,157 +0,0 @@
---
--- The Add class
---
-
--- FIXME: reimplement in terms of Monoid?
-
-Add : Type -> Type
-Add = sig { zero : A; plus : A -> A -> A }
-
-zero : (A : Type) -> Add A -> A
-zero _ d = d.zero
-
-plus : (A : Type) -> Add A -> A -> A -> A
-plus _ d = d.plus
-
-add_Integer : Add Integer
-add_Integer = rec { zero = 0; plus = prim_add_Int }
-
-sum : (A:Type) -> Add A -> List A -> A
-sum _ d (Nil _) = d.zero
-sum A d (Cons _ x xs) = d.plus x (sum A d xs)
-
-{- Operators:
-
- (x + y) => (plus ? ? x y)
-
--}
-
---
--- The Prod class
---
-
--- FIXME: reimplement in terms of Monoid?
-
-Prod : Type -> Type
-Prod = sig { one : A; times : A -> A -> A }
-
-one : (A : Type) -> Prod A -> A
-one _ d = d.zero
-
-times : (A : Type) -> Prod A -> A -> A -> A
-times _ d = d.plus
-
-prod_Integer : Add Integer
-prod_Integer = rec { one = 1; times = prim_mul_Int }
-
-product : (A:Type) -> Prod A -> List A -> A
-product _ d (Nil _) = d.one
-product A d (Cons _ x xs) = d.times x (product A d xs)
-
-{- Operators:
-
- (x * y) => (times ? ? x y)
-
--}
-
-
-
---
--- The Eq class
---
-
-Eq : Type -> Type
-Eq A = sig { eq : A -> A -> Bool }
-
-eq : (A : Type) -> Eq A -> A -> A -> Bool
-eq _ d = d.eq
-
-neq : (A : Type) -> Eq A -> A -> A -> Bool
-neq A d x y = not (eq A d x y)
-
-
-{- Operators:
-
- (x == y) => (eq ? ? x y)
- (x /= y) => (neq ? ? x y)
-
--}
-
-
---
--- The Ord class
---
-
--- FIXME: require Eq for Ord
-
-data Ordering : Type where
- LT : Ordering
- EQ : Ordering
- GT : Ordering
-
-Ord : Type -> Type
-Ord A = sig eq : A -> A -> Bool
- compare : A -> A -> Ordering
-
-compare : (A : Type) -> Ord A -> A -> A -> Ordering
-compare _ d = d.compare
-
-ordOp : (Ordering -> Bool) -> (A : Type) -> Ord A -> A -> A -> Bool
-ordOp f A d x y = f (compare A d x y)
-
-lt : (A : Type) -> Ord A -> A -> A -> Bool
-lt = ordOp (\o -> case o of { LT -> True; _ -> False })
-
-le : (A : Type) -> Ord A -> A -> A -> Bool
-le = ordOp (\o -> case o of { GT -> False; _ -> True })
-
-ge : (A : Type) -> Ord A -> A -> A -> Bool
-ge = ordOp (\o -> case o of { LT -> False; _ -> True })
-
-gt : (A : Type) -> Ord A -> A -> A -> Bool
-gt = ordOp (\o -> case o of { GT -> True; _ -> False })
-
-
-
-{- Operators:
-
- (x < y) => (lt ? ? x y)
- (x <= y) => (le ? ? x y)
- (x >= y) => (ge ? ? x y)
- (x > y) => (gt ? ? x y)
-
--}
-
-
---
--- The Show class
---
-
-Show : Type -> Type
-Show A = sig { show : A -> String }
-
-show : (A : Type) -> Show A -> A -> String
-show _ d = d.show
-
-show_Integer : Show Integer
-show_Integer = rec { show = prim_show_Int }
-
-
---
--- The Compos class
---
-
-
-Monoid : Type -> Type
-Monoid = sig { mzero : A; mplus : A -> A -> A }
-
-Compos : (C : Type) -> (C -> Type) -> Type
-Compos C T = sig
- composOp : (c : C) -> ((d : C) -> T d -> T d) -> T c -> T c
- composFold : (B : Type) -> Monoid B -> (c : C) -> ((d : C) -> T d -> b) -> T c -> b
-
-composOp : (T : Type) -> (C : Type) -> Compos C T -> (c : C) -> ((d : C) -> T d -> T d) -> T c -> T c
-composOp _ _ d c f t = d.composOp c f t
-
-composFold : (T : Type) -> (C : Type) -> Compos C T -> (B : Type) -> Monoid B -> ((d : C) -> T d -> b) -> T c -> b
-composFold _ _ d b m c f t = d.composFold b m c f t \ No newline at end of file