I\'ve been looking at Haskell lately and it seems like a very nice way to watch programming problems from an alternative point of view - alternative to my usual imperative (I have a strong C++ backgro
first question: Define a function that joins a list of lists together using a separator value. the type definition should be like that:
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I\'m a complete newbie at Haskell. I\'m trying to compile this Haskell file I\'ve downloaded but it\'s giving me some errors.
Consider the following piece of Haskell code: type Parser a = String -> [(a, String)] item :: Parser Char
In this declaration data Const a = Const Integer Haskell infers that Const is * -> *. Is it possible to make Const take a type constructor instead, so it will be (* -> *) -> *? Idea开发者_
The following two Haskell programs for computing the n\'th term of the Fibonacci sequence have greatly different performance characteristics:
The title may be a bit vague. This is what I mean: Say I have two ways of getting input to my program. The first is via the keyboard, using the function ge开发者_如何学编程tLine which blocks until a
I\'ve been going through a Haskell tutorial recently and noticed this behaviour when trying some simple Haskell expressions in the interactive ghci shell:
Is there a function in Haskell that will allow me to enter component of a date (like a string representation or day month year components) that I can get information from (like day of week, days in a
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