Bright Sun <[EMAIL PROTECTED]> writes: > In Haskell, ++ can spends second list argument onto > the end of first list argument. How to substract the > second list from the first list? > > For example, > [(5,1),(4,1),(3,1),(2,1),(1,1)] > substract > [(2,1),(1,1)] > I want to get result list: > [(5,1),(4,1),(3,1)]
Look at e.g. http://haskell.org/ghc/docs/latest/html/libraries/base/Data.List.html#v%3A%5C%5C for inspiration Regards, Peter _______________________________________________ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mailman/listinfo/haskell