-

[clean-tests.git] / test.icl

diff --git a/test.icl b/test.icl
index 2350a9a..822f41d 100644 (file)
--- a/test.icl
+++ b/test.icl
@@ -1,52 +1,38 @@
 module test
 
-import StdEnv, StdGeneric
-import Data.Array
-
-Start :: [{!Int}]
-Start =
-       [ appendArr {!1,2,3} {!4,5,6,7}
-       , appendArr {!} {!}
-       , appendArr {!} {!1,2,3}
-       , appendArr {!1,2,3} {!}
-       ]
-/*
-derive bimap Box
-
-:: Box b a =: Box b
-
-unBox (Box b) :== b
-box b :== Box b
-
-generic gPotentialInf a :: [String] -> Box Bool a
-
-gPotentialInf{|World|} _ = box False
-gPotentialInf{|File|} _ = box False
-gPotentialInf{|Bool|} _ = box False
-gPotentialInf{|Char|} _ = box False
-gPotentialInf{|Real|} _ = box False
-gPotentialInf{|Int|} _ = box False
-gPotentialInf{|Dynamic|} _ = box False
-gPotentialInf{|(->)|} _ _ _ = box False
-gPotentialInf{|{}|} a m = box (unBox (a m))
-gPotentialInf{|{!}|} a m = box (unBox (a m))
-gPotentialInf{|{#}|} a m = box (unBox (a m))
-gPotentialInf{|UNIT|} _ = box False
-gPotentialInf{|EITHER|} l r m = box (unBox (l m) || unBox (r m))
-gPotentialInf{|PAIR|} l r m = box (unBox (l m) || unBox (r m))
-gPotentialInf{|CONS|} x m = box (unBox (x m))
-gPotentialInf{|FIELD|} x m = box (unBox (x m))
-gPotentialInf{|RECORD of {grd_name}|} x m
-       | isMember grd_name m = box True
-       = box (unBox (x [grd_name:m]))
-gPotentialInf{|OBJECT of {gtd_name}|} x m
-       | isMember gtd_name m = box True
-       = box (unBox (x [gtd_name:m]))
-
-//derive gPotentialInf Int,Bool,Char,Real,String,File,World,Dynamic
-derive gPotentialInf (),(,),(,,),(,,,),(,,,,),(,,,,,),(,,,,,,),(,,,,,,,),(,,,,,,,,),(,,,,,,,,,),(,,,,,,,,,,),(,,,,,,,,,,,),(,,,,,,,,,,,,),(,,,,,,,,,,,,,),(,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,,,,,,,),(,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,)
-derive gPotentialInf {},{#},{!},[],[! ],[ !],[!!],[#],[#!]
-
-Start :: Box Bool *File
-Start = gPotentialInf{|*|} []
-*/
+import StdEnv
+import Data.Maybe
+import Data.Functor
+import Control.Monad
+import Control.Applicative
+
+class expr v where
+       lit :: i -> v i | toString i
+       (+.) infixl 6 :: (v i) (v i) -> v i | + i
+
+instance + (v a) | expr v & + a where
+       + l r = l +. r
+
+eval :: (Maybe a) -> Maybe a
+eval x = x
+instance expr Maybe where
+       lit i = Just i
+       +. x y = (+) <$> x <*> y
+
+:: Print a =: Print String
+print :: (Print a) -> String
+print (Print a) = a
+instance expr Print where
+       lit i = Print (toString i)
+       +. (Print l) (Print r) = Print (l +++ "+" +++ r)
+
+printEval :: (A.v: v a | expr v) -> (Maybe a, String)
+//printEval f = (f, let (Print p) = f in p)
+printEval f = (eval f, print f)
+
+//Mag niet
+//Start :: (Maybe Int, String)
+//Start = printEval (lit 4 + lit 38)
+
+//Mag wel
+Start = let (Print f) = lit 4 + lit 38 in f