From aebffcc1c786e8cea15fff6f324bf71fc37cbb37 Mon Sep 17 00:00:00 2001
From: Mart Lubbers <mart@martlubbers.net>
Date: Fri, 24 Apr 2015 09:10:46 +0200
Subject: [PATCH] updated practicum files

---
 files/practicum/GetallenRaden.icl | 13 +++++++++
 files/practicum/Origami.icl       | 17 +++++++-----
 files/practicum/StdDynSet.dcl     | 24 +++++++++++++++++
 files/practicum/StdDynSet.icl     | 44 +++++++++++++++++++++++++++++++
 files/practicum/StdIOMonad.dcl    | 39 +++++++++++++++++++++++++++
 files/practicum/StdIOMonad.icl    | 15 +++++++++++
 files/practicum/StdListMonad.dcl  |  7 +++++
 files/practicum/StdListMonad.icl  |  7 +++++
 files/practicum/StdMaybeMonad.dcl |  9 +++++++
 files/practicum/StdMaybeMonad.icl | 10 +++++++
 files/practicum/StdQ.icl          |  2 +-
 files/practicum/StdSet.icl        | 24 ++---------------
 files/practicum/StdSortList.icl   |  2 +-
 files/practicum/StdStack.icl      |  2 +-
 files/practicum/StdStateMonad.dcl | 11 ++++++++
 files/practicum/StdStateMonad.icl | 16 +++++++++++
 16 files changed, 210 insertions(+), 32 deletions(-)
 create mode 100644 files/practicum/GetallenRaden.icl
 create mode 100644 files/practicum/StdDynSet.dcl
 create mode 100644 files/practicum/StdDynSet.icl
 create mode 100644 files/practicum/StdIOMonad.dcl
 create mode 100644 files/practicum/StdIOMonad.icl
 create mode 100644 files/practicum/StdListMonad.dcl
 create mode 100644 files/practicum/StdListMonad.icl
 create mode 100644 files/practicum/StdMaybeMonad.dcl
 create mode 100644 files/practicum/StdMaybeMonad.icl
 create mode 100644 files/practicum/StdStateMonad.dcl
 create mode 100644 files/practicum/StdStateMonad.icl

diff --git a/files/practicum/GetallenRaden.icl b/files/practicum/GetallenRaden.icl
new file mode 100644
index 0000000..f03750a
--- /dev/null
+++ b/files/practicum/GetallenRaden.icl
@@ -0,0 +1,13 @@
+module GetallenRaden
+
+/*	Dynamics werken alleen met de 32-bit versie van de Clean compiler.
+	(*) Gebruik Environment 'Experimental'
+	(*) In Project:Project Options: zet vlag 'Enable dynamics' aan
+*/
+import StdEnv
+import StdDynamic, StdDynamicFileIO		// nodig voor dynamics en dynamics in files
+import StdFileSelect					// platform file-selector dialoog
+
+Start :: *World -> *World
+Start world
+	= world
diff --git a/files/practicum/Origami.icl b/files/practicum/Origami.icl
index 304ca73..3c4dcc4 100644
--- a/files/practicum/Origami.icl
+++ b/files/practicum/Origami.icl
@@ -6,15 +6,18 @@ Start			= and
 				  [ sum`       [1 .. 5]                 == sum       [1 .. 5]
 				  , prod`      [1 .. 5]                 == prod      [1 .. 5]
 				  , flatten`   [[],[1],[1,2],[1,2,3]]   == flatten   [[],[1],[1,2],[1,2,3]]
+				  , length`    [1 .. 5]                 == length    [1 .. 5]
 				  , reverse`   [1 .. 5]                 == reverse   [1 .. 5]
+				  , filter`    isEven [1 .. 100]        == filter    isEven [1 .. 100]
 				  , takeWhile` ((<>) 0) [1,2,3,0,4,5,6] == takeWhile ((<>) 0) [1,2,3,0,4,5,6]
 				  , maxList`   [1 .. 5]                 == maxList   [1 .. 5]
 				  ]
 
-sum`			= ...
-prod`			= ...
-flatten`		= ...
-length`			= ...
-reverse`		= ...
-takeWhile`		= ...
-maxList`		= ...
+sum`         xs = ...
+prod`        xs = ...
+flatten`     xs = ...
+length`      xs = ...
+reverse`     xs = ...
+filter`    p xs = ...
+takeWhile` p xs = ...
+maxList`     xs = ...
diff --git a/files/practicum/StdDynSet.dcl b/files/practicum/StdDynSet.dcl
new file mode 100644
index 0000000..de9a9b7
--- /dev/null
+++ b/files/practicum/StdDynSet.dcl
@@ -0,0 +1,24 @@
+definition module StdDynSet
+
+import StdOverloaded
+
+class Set a | TC, ==, toString a
+
+:: Set
+
+instance zero     Set
+instance toString Set
+instance ==       Set
+
+toSet			:: a       -> Set  | Set a
+
+nrOfElts		::     Set -> Int
+isEmptySet		::     Set -> Bool
+
+memberOfSet		:: a   Set -> Bool | Set a
+isSubset		:: Set Set -> Bool
+isStrictSubset	:: Set Set -> Bool
+
+union			:: Set Set -> Set
+intersection	:: Set Set -> Set
+without			:: Set Set -> Set
diff --git a/files/practicum/StdDynSet.icl b/files/practicum/StdDynSet.icl
new file mode 100644
index 0000000..ee43631
--- /dev/null
+++ b/files/practicum/StdDynSet.icl
@@ -0,0 +1,44 @@
+implementation module StdDynSet
+
+import StdEnv
+import StdDynamic
+
+class Set a | TC, ==, toString a
+
+:: Set = Set [Dynamic]
+
+instance zero     Set
+where zero = abort "zero instance voor Set nog niet geimplementeerd.\n"
+
+instance toString Set
+where toString a = abort "toString instance voor Set nog niet geimplementeerd.\n"
+
+instance == Set
+where == a b = abort "== instance voor Set nog niet geimplementeerd.\n"
+
+toSet :: a -> Set | Set a
+toSet a = abort "toSet nog niet geimplementeerd.\n"
+
+nrOfElts :: Set -> Int
+nrOfElts a = abort "nrOfElts nog niet geimplementeerd.\n"
+
+isEmptySet :: Set -> Bool
+isEmptySet a = abort "isEmptySet nog niet geimplementeerd.\n"
+
+memberOfSet :: a Set -> Bool | Set a
+memberOfSet x a = abort "memberOfSet nog niet geimplementeerd.\n"
+
+isSubset :: Set Set -> Bool
+isSubset a b = abort "isSubset nog niet geimplementeerd.\n"
+
+isStrictSubset :: Set Set -> Bool
+isStrictSubset a b = abort "isStrictSubset nog niet geimplementeerd.\n"
+
+union :: Set Set -> Set
+union a b = abort "union nog niet geimplementeerd.\n"
+
+intersection :: Set Set -> Set
+intersection a b = abort "intersection nog niet geimplementeerd.\n"
+
+without :: Set Set -> Set
+without a b = abort "without nog niet geimplementeerd.\n"
diff --git a/files/practicum/StdIOMonad.dcl b/files/practicum/StdIOMonad.dcl
new file mode 100644
index 0000000..a37a979
--- /dev/null
+++ b/files/practicum/StdIOMonad.dcl
@@ -0,0 +1,39 @@
+definition module StdIOMonad
+
+//	Deze module verpakt een aantal StdFile functies in een monadische jas
+
+import StdMonad, StdMaybeMonad
+
+:: IO a
+:: Void       = Void
+:: Filemode   = Lees | Schrijf
+:: Filenaam :== String
+:: Filehandle
+
+//	voer monadische I/O actie uit op de wereld:
+doIO		:: (IO a) *World -> (a,*World)
+
+//  IO is een monad:
+instance return IO
+instance >>=    IO
+
+//	lees regel van de console:
+read		:: IO String
+
+//	schrijf regel naar de console:
+write		:: String -> IO Void
+
+//	open de file met gegeven filenaam en mode:
+open		:: Filenaam Filemode -> IO (Maybe Filehandle)
+
+//	sluit de file met gegeven filenaam:
+close		:: Filehandle -> IO Bool
+
+//	bepaal of het lezen van de file klaar is:
+eof			:: Filehandle -> IO Bool
+
+//	lees een regel van een file:
+readline	:: Filehandle -> IO (Maybe String)
+
+//	schrijf een regel naar een file:
+writeline	:: String Filehandle -> IO Bool
diff --git a/files/practicum/StdIOMonad.icl b/files/practicum/StdIOMonad.icl
new file mode 100644
index 0000000..c8ddaa5
--- /dev/null
+++ b/files/practicum/StdIOMonad.icl
@@ -0,0 +1,15 @@
+implementation module StdIOMonad
+
+//	Deze module verpakt StdFile in een monadische jas
+
+import StdFile
+import StdMonad
+
+:: IO a			// kies een geschikte representatie voor IO
+:: Filemode		= Lees | Schrijf
+:: Filenaam	  :== String
+:: Filehandle	// kies een geschikte representatie voor Filehandle
+
+instance toInt Filemode where
+	toInt Lees						= FReadText
+	toInt Schrijf					= FWriteText
diff --git a/files/practicum/StdListMonad.dcl b/files/practicum/StdListMonad.dcl
new file mode 100644
index 0000000..576ef55
--- /dev/null
+++ b/files/practicum/StdListMonad.dcl
@@ -0,0 +1,7 @@
+definition module StdListMonad
+
+import StdMonad
+
+instance return []
+instance >>=    []
+instance fail   []
diff --git a/files/practicum/StdListMonad.icl b/files/practicum/StdListMonad.icl
new file mode 100644
index 0000000..b3b3d62
--- /dev/null
+++ b/files/practicum/StdListMonad.icl
@@ -0,0 +1,7 @@
+implementation module StdListMonad
+
+import StdMonad
+
+instance return	[] where return x = [x]
+instance >>=	[] where >>= xs f = [y \\ x <- xs, y <- f x]
+instance fail   [] where fail     = []
diff --git a/files/practicum/StdMaybeMonad.dcl b/files/practicum/StdMaybeMonad.dcl
new file mode 100644
index 0000000..e9ebec1
--- /dev/null
+++ b/files/practicum/StdMaybeMonad.dcl
@@ -0,0 +1,9 @@
+definition module StdMaybeMonad
+
+import StdMonad
+
+:: Maybe a = Nothing | Just a
+
+instance return	Maybe
+instance >>=	Maybe
+instance fail   Maybe
diff --git a/files/practicum/StdMaybeMonad.icl b/files/practicum/StdMaybeMonad.icl
new file mode 100644
index 0000000..1c6277d
--- /dev/null
+++ b/files/practicum/StdMaybeMonad.icl
@@ -0,0 +1,10 @@
+implementation module StdMaybeMonad
+
+import StdMonad
+
+:: Maybe a = Nothing | Just a
+
+instance return	Maybe where return x       = Just x
+instance >>=	Maybe where >>= (Just x) f = f x
+                            >>= Nothing  f = Nothing
+instance fail   Maybe where fail           = Nothing
diff --git a/files/practicum/StdQ.icl b/files/practicum/StdQ.icl
index 84ff69e..9883f91 100644
--- a/files/practicum/StdQ.icl
+++ b/files/practicum/StdQ.icl
@@ -2,4 +2,4 @@ implementation module StdQ
 
 import StdEnv
 
-::	Q = ...
+::	Q = ...	// maak deze type definitie af
diff --git a/files/practicum/StdSet.icl b/files/practicum/StdSet.icl
index 6cad7f1..b152f37 100644
--- a/files/practicum/StdSet.icl
+++ b/files/practicum/StdSet.icl
@@ -1,25 +1,5 @@
-definition module StdSet
+implementation module StdSet
 
-import StdClass
+import StdEnv
 
 ::	Set a
-
-toSet			:: [a]             -> Set a | Eq a
-fromSet			:: (Set a)         -> [a]
-
-isEmptySet		:: (Set a)         -> Bool
-isDisjoint		:: (Set a) (Set a) -> Bool  | Eq a
-isSubset		:: (Set a) (Set a) -> Bool  | Eq a
-isStrictSubset	:: (Set a) (Set a) -> Bool  | Eq a
-memberOfSet		:: a       (Set a) -> Bool  | Eq a
-union           :: (Set a) (Set a) -> Set a | Eq a
-intersection	:: (Set a) (Set a) -> Set a | Eq a
-nrOfElements	:: (Set a) -> Int
-without			:: (Set a) (Set a) -> Set a | Eq a
-
-product			:: (Set a) (Set b) -> Set (a,b)
-
-instance zero (Set a)
-instance ==   (Set a) | Eq a
-
-powerSet		:: (Set a)         -> Set (Set a)
diff --git a/files/practicum/StdSortList.icl b/files/practicum/StdSortList.icl
index 5621887..20acaf7 100644
--- a/files/practicum/StdSortList.icl
+++ b/files/practicum/StdSortList.icl
@@ -2,4 +2,4 @@ implementation module StdSortList
 
 import StdEnv
 
-::  SortList a
+::  SortList a = ... // maak deze type definitie af (mag ook een synoniem type zijn, maar gebruik dan :== in plaats van =)
diff --git a/files/practicum/StdStack.icl b/files/practicum/StdStack.icl
index f8583d5..4b3a1f8 100644
--- a/files/practicum/StdStack.icl
+++ b/files/practicum/StdStack.icl
@@ -2,7 +2,7 @@ implementation module StdStack
 
 import StdEnv
 
-:: Stack a
+:: Stack a = ... // maak deze type definitie af (mag ook een synoniem type zijn, maar gebruik dan :== in plaats van =)
 
 Start  = ( "s0 = newStack = ",        s0,'\n'
          , "s1 = push 1 s0 = ",       s1,'\n'
diff --git a/files/practicum/StdStateMonad.dcl b/files/practicum/StdStateMonad.dcl
new file mode 100644
index 0000000..a825dbc
--- /dev/null
+++ b/files/practicum/StdStateMonad.dcl
@@ -0,0 +1,11 @@
+definition module StdStateMonad
+
+import StdMonad
+
+:: ST s a
+
+instance return (ST s)
+instance >>=    (ST s)
+
+mkST :: (s -> *(a,s)) -> ST s a
+unST :: (ST s a) -> s -> *(a, s)
diff --git a/files/practicum/StdStateMonad.icl b/files/practicum/StdStateMonad.icl
new file mode 100644
index 0000000..527ac5c
--- /dev/null
+++ b/files/practicum/StdStateMonad.icl
@@ -0,0 +1,16 @@
+implementation module StdStateMonad
+
+import StdMonad
+
+:: ST s a = ST (s -> (a, s))
+
+instance return (ST s) where return x     = ST (\w = (x, w))
+instance >>=    (ST s) where >>= (ST f) g = ST (\w = let (a, w1) = f w 
+                                                      in unST (g a) w1
+                                               )
+
+mkST :: (s -> (a,s)) -> ST s a
+mkST f = ST f
+
+unST :: (ST s a) -> s -> (a, s)
+unST (ST f) = f
-- 
2.20.1