Created
July 2, 2014 06:30
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| {- | |
| 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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