Re: [Haskell-beginners] Re: let indenting problems

3 Mar 2009


      7stud wrote:
...
Miguel Pignatelli  writes:
...
What about...
mySort xs = let myCompare x y 	
       | lx < ly = LT
       | lx == ly = EQ
       | lx > ly = GT
         where
          lx = length x
          ly = length y
      in sortBy myCompare xs
That doesn't work for me:
Yes, sorry about that, it is an issue with indentation while 
copy/pasting the code

M;
...
-- bhask.hs
mySort xs = let myCompare x y  
                | lx < ly = LT 
                | lx == ly = EQ 
                | lx > ly = GT 
                   where   
                    lx = length x
                    ly = length y
               in sortBy myCompare xs
Prelude> :load bhask.hs 
[1 of 1] Compiling Main             ( bhask.hs, interpreted )
bhask.hs:4:16: parse error (possibly incorrect indentation)
Failed, modules loaded: none.
Prelude>
Line 4 is the first guard.
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