Re:Lists

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From	Norbert Melzer <timmelzer@gmail.com>
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Subject	Re:Lists
Date	Wed, 22 Jul 2015 16:59:45 +0200 (CEST)
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pip7kids@gmail.com Wrote in message:
> 
> Hi
> I was playing with the following example and was wondering how I could get to pass lists of weights and heights into the following code.
> 
> calcBmis2 :: [(Double ,Double)] -> [Double]
> calcBmis2 xs = [bmi | (w , h) <- xs, let bmi = w / h ^ 2, bmi > 25]
> 
> main = do 
>   print(calcBmis2[(81.5,1.8)]) -- this works fine 
> [25.15432098765432]
> .........................................................
> 
> However, rather than just use 2 variables (w for weight and h for height) - how can I pass multiple arguments .
> 
> For example - 
> w = [81.5,77.2]
> h = [1.8.1.99]
> 
> Regards
> 
> 

What you should is simply call calcbmis with a list of tuples. 
-- 


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Thread

Lists pip7kids@gmail.com - 2015-07-22 07:13 -0700
  Re:Lists Norbert Melzer <timmelzer@gmail.com> - 2015-07-22 16:59 +0200
  Re: Lists Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-07-22 16:51 +0100
  Re: Lists philsivyer@googlemail.com - 2015-07-22 12:57 -0700

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