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import Test.QuickCheck | |
import Data.List | |
qsort :: Ord a => [a] -> [a] | |
qsort [] = [] | |
qsort (x:xs) = qsort lhs ++ [x] ++ qsort rhs | |
where lhs = filter (< x) xs | |
rhs = filter (>= x) xs | |
prop_idempotent xs = qsort (qsort xs) == qsort xs |
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import Test.QuickCheck | |
import Data.List | |
qsort :: Ord a => [a] -> [a] | |
qsort [] = [] | |
qsort (x:xs) = qsort lhs ++ [x] ++ qsort rhs | |
where lhs = filter (< x) xs | |
rhs = filter (>= x) xs | |
prop_idempotent xs = qsort (qsort xs) == qsort xs |
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<html style="width:100%; height:100%; overflow:hidden"> | |
<head> | |
<!-- You can include external scripts here like so... --> | |
<!--<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.0/zepto.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script>--> | |
</head> | |
<body style="width:100%; height:100%; overflow:hidden; margin:0"> | |
<canvas id="canvas" width="640" height="360" style="display:block"></canvas> | |
<script> | |
var progNum = 0; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<html style="width:100%; height:100%; overflow:hidden"> | |
<head> | |
<!-- You can include external scripts here like so... --> | |
<!--<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.0/zepto.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script>--> | |
</head> | |
<body style="width:100%; height:100%; overflow:hidden; margin:0"> | |
<canvas id="canvas" width="640" height="360" style="display:block"></canvas> | |
<script> | |
var progNum = 0; |