[Haskell-cafe] Type of a function?

Hallo Can somebody tell me the type of the following function? func :: ? func f x = (z,y) where (z,y) = f x Thanks -- View this message in context: http://www.nabble.com/Type-of-a-function--tf1945843.html#a5335607 Sent from the Haskell - Haskell-Cafe forum at Nabble.com. _

[Haskell-cafe] Simple List Question

Hello Little Problem, hope that somebody can help me I have a list >main [(1,2,3),(4,5,6),(3,4,5)] and i want all Elements at the 1. Pos. in new List: >[1,4,3] Thanks for help -- View this message in context: http://www.nabble.com/Simple-List-Question-tf1880239.html#a5139831 Sent from the

[Haskell-cafe] ACross

Hello, Can somebody help me My Problem is to define a code for: >cross 7 -- means 7*7 >+++ >++ ++ >+ + + + >+++ >+ + + + >++ ++ >+++ Another Example >cross 13 -- 13*13 >+ >++ ++ >+ +

[Haskell-cafe] Sets symmetric difference

Hello, Know Somebody the code for symmetric difference (Sets) examples >symmetric_difference [1..8][5..7] >[1,2,3,4,8] >symmetric_ difference [1..8][] >[1,2,3,4,5,6,7,8] >symmetric_ difference [1..12][10..20] >[1,2,3,4,5,6,7,8,9,13,14,15,16,17,18,19,20] Thanks for Help -- View this messa

[Haskell-cafe] putStrLn

Hello, Can somebody help me I want to work with putStrLn main n = putStrLn "*" for example How must I define the code that: >main 5 >* Thanks for any help -- View this message in context: http://www.nabble.com/putStrLn-t1799896.html#a4905456 Sent from the Haskell - Haskell-Cafe forum at

[Haskell-cafe] elementsinlist

Hallo I search a code for >elements_in_List([1,2],[1,2]). >True >elements_in_List([1,8],[1,2,3,4,8]). >True >elements_in_List([2,1],[1,2]). >True >elements_in_List([1,1],[1]). >False I have a code elements_in_List :: Eq a => [a] -> [a] -> Bool elements_in_List [] _ = True elements_in_List _

[Haskell-cafe] Problem in code

hello, I can not find the problem, I use WinHugs and shows me(Syntax error in input (unexpected keyword "where"). here is my code: f :: (Float,Float) -> Float f (x,y) = (a(x,y) + 4) * (b(x,y) + 3) where a :: (Float,Float) -> Float a(x,y) = (x + y)*2 b :: (Float,Float) -> Float b(x,y) = (y - x)*5

[Haskell-cafe] changing out

hello, i want to change my input integers In> 23 98 Out> 98 23 I think its simple... sorry my first steps in Haskell thanks for solutions. -- View this message in context: http://www.nabble.com/changing+out-t1707014.html#a4634189 Sent from the Haskell - Haskell-Cafe forum at Nabble.co

[Haskell-cafe] swap a pair of integers

hello, i want swap a pair of integers for example Main> 17 out> 71 Can somebody help me? -- View this message in context: http://www.nabble.com/swap+a+pair+of+integers-t1700880.html#a4615989 Sent from the Haskell - Haskell-Cafe forum at Nabble.com. ___