diff options
| author | Camil Staps | 2015-03-12 12:25:11 +0100 |
|---|---|---|
| committer | Camil Staps | 2015-03-12 12:25:11 +0100 |
| commit | 0b0b2bb70f75161442c29fa83e0742e40fdeeb22 (patch) | |
| tree | 072848ee1f90dbba69831887ece34f7c7c6c9bd3 | |
| parent | Only takewhile to be done (diff) | |
Working on takeWhile...
| -rw-r--r-- | week5/camil/Origami.icl | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/week5/camil/Origami.icl b/week5/camil/Origami.icl index abd3cae..d844d2c 100644 --- a/week5/camil/Origami.icl +++ b/week5/camil/Origami.icl @@ -2,20 +2,21 @@ module Origami import StdEnv
-Start = and
+/*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]]
, reverse` [1 .. 5] == reverse [1 .. 5]
, takeWhile` ((<>) 0) [1,2,3,0,4,5,6] == takeWhile ((<>) 0) [1,2,3,0,4,5,6]
, maxList` [1 .. 5] == maxList [1 .. 5]
- ]
+ ]*/
+Start = takeWhile` ((<>) 0) [1,2,3,0,4,5,6]
sum` = foldr (+) 0
prod` = foldr (*) 1
flatten` = foldr (++) []
length` = foldl (\l e = l + 1) 0
reverse` = foldl (\xs x = [x:xs]) []
-takeWhile` = takeWhile
+takeWhile` p = foldr (\x xs = if (p x) [x:xs] xs) []
maxList` [] = undef
maxList` [x:xs] = foldr max x xs
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