diff options
Diffstat (limited to 'assignment-3/genericMap.icl')
-rw-r--r-- | assignment-3/genericMap.icl | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/assignment-3/genericMap.icl b/assignment-3/genericMap.icl index 6ea1bf4..f2d99e2 100644 --- a/assignment-3/genericMap.icl +++ b/assignment-3/genericMap.icl @@ -1,37 +1,37 @@ -module genericMap
-
-import StdEnv
-import StdGeneric
-import GenEq
-
-generic gMap a b :: a -> b
-gMap{|Int|} x = x
-gMap{|Real|} x = x
-gMap{|UNIT|} x = x
-gMap{|PAIR|} f g (PAIR x y) = PAIR (f x) (g y)
-gMap{|EITHER|} f g (LEFT x) = LEFT (f x)
-gMap{|EITHER|} f g (RIGHT x) = RIGHT (g x)
-gMap{|CONS|} f (CONS x) = CONS (f x)
-gMap{|OBJECT|} f (OBJECT x) = OBJECT (f x)
-
-:: Bin a = Leaf | Bin (Bin a) a (Bin a)
-
-derive gMap [], (,), Bin
-
-t = Bin (Bin Leaf 1 Leaf) 2 (Bin (Bin Leaf 3 Leaf) 4 Leaf)
-l = [1..7]
-
-// Part 1
-Start = gMap{|*->*|} fac t
- // (Bin (Bin Leaf 1 Leaf) 2 (Bin (Bin Leaf 3 Leaf) 5 Leaf))
-Start = gMap{|*->*|} (\i -> (i, fac i)) l
- // [(1,1),(2,2),(3,3),(4,5),(5,8),(6,13),(7,21)]
-Start = gMap{|*->*->*|} (gMap{|*->*|} fac) (gMap{|*->*|} fac) (l,t)
- // ([1,2,3,5,8,13,21],(Bin (Bin Leaf 1 Leaf) 2 (Bin (Bin Leaf 3 Leaf) 5 Leaf)))
-
-// Part 2
-Start = gEq{|*|} [1,2] [1,2] // True
-Start = gEq{|*|} [1,2] [2,3] // False
-Start = gEq{|*->*|} (\a b -> not (a < b || b < a)) [1,2] [2,3] // False
-
-fac n = let fs = [1:1:[(fs!!(i-1)) + (fs!!(i-2)) \\ i <- [2..]]] in fs !! n
+module genericMap + +import StdEnv +import StdGeneric +import GenEq + +generic gMap a b :: a -> b +gMap{|Int|} x = x +gMap{|Real|} x = x +gMap{|UNIT|} x = x +gMap{|PAIR|} f g (PAIR x y) = PAIR (f x) (g y) +gMap{|EITHER|} f g (LEFT x) = LEFT (f x) +gMap{|EITHER|} f g (RIGHT x) = RIGHT (g x) +gMap{|CONS|} f (CONS x) = CONS (f x) +gMap{|OBJECT|} f (OBJECT x) = OBJECT (f x) + +:: Bin a = Leaf | Bin (Bin a) a (Bin a) + +derive gMap [], (,), Bin + +t = Bin (Bin Leaf 1 Leaf) 2 (Bin (Bin Leaf 3 Leaf) 4 Leaf) +l = [1..7] + +// Part 1 +Start = gMap{|*->*|} fac t + // (Bin (Bin Leaf 1 Leaf) 2 (Bin (Bin Leaf 3 Leaf) 5 Leaf)) +Start = gMap{|*->*|} (\i -> (i, fac i)) l + // [(1,1),(2,2),(3,3),(4,5),(5,8),(6,13),(7,21)] +Start = gMap{|*->*->*|} (gMap{|*->*|} fac) (gMap{|*->*|} fac) (l,t) + // ([1,2,3,5,8,13,21],(Bin (Bin Leaf 1 Leaf) 2 (Bin (Bin Leaf 3 Leaf) 5 Leaf))) + +// Part 2 +Start = gEq{|*|} [1,2] [1,2] // True +Start = gEq{|*|} [1,2] [2,3] // False +Start = gEq{|*->*|} (\a b -> not (a < b || b < a)) [1,2] [2,3] // False + +fac n = let fs = [1:1:[(fs!!(i-1)) + (fs!!(i-2)) \\ i <- [2..]]] in fs !! n |