[Haskell-cafe] Producing MinimumValue

Joachim Breitner mail at joachim-breitner.de
Wed Jul 18 17:24:46 EDT 2007


Am Mittwoch, den 18.07.2007, 13:42 -0700 schrieb Alexteslin:
> I am trying to define a function as part of the exercises that gives a
> result of a minimum value of the input list of ints. Such as this:
> minimumValue :: [Int] -> Int
> minimumValue ns ...
> using either filter or map functions but Not foldr1, because the exercise
> precedes the section on foldr1.
> I am confused because using filter - it generates a list on some constraint
> function for each element.  
> Any hints will be very appreciated.  Thank you  

Are you allowed to define the function without any of filter or map,
just yourself?

minimumValue [a] = ...
minimumValue (x:xs) = .. x .. minimumValue xs ..


Joachim Breitner
  e-Mail: mail at joachim-breitner.de
  Homepage: http://www.joachim-breitner.de
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