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lessless/task1.hs

Created July 2, 2014 06:30
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task1.hs
{-
Prelude> :t [['a','b','c'],['d','e']]
[['a','b','c'],['d','e']] :: [[Char]]
Prelude> head [['a','b','c'],['d','e']]
"abc"
Prelude> head (head [['a','b','c'],['d','e']])
'a'
Prelude> head [[]]
[]
1. Rewrite the previous list literals using only (:) and the empty list constructor [].
-}
[['a','b','c'],['d','e']] - (('a' : 'b' : 'c' : []) : []) : (('d' : 'e' : []) : []) : []
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