I\'ve compiled this program and am trying to run it. import Data.List import Data.Ord import qualified Data.MemoCombinators as Memo
When I submit to GHC the code {-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies, ScopedTypeVariables #-}
Well, here is the thing: I have the following Haskell code, this one: [ (a, b, c) | c <- [1..10], b <- [1..10], a <- [1..10], a ^ 2 + b ^ 2 == c ^ 2 ]
I am trying to imitate the Sieve for finding all the prime less than some number using Haskell. I have found other Haskell program that use the Sieve method with great speed. However the following rec
I have occasionally encountered a pattern in code which resembles a monad but does not keep a consistent type across >>=.
I\'m implementing a REPL for a Scheme interpreter in Haskell and I\'d like to handle some async events like UserInterrupt, StackOverflow, HeapOverflow, etc... Basically, I\'d like to stop the current
I\'m writing my first Yesod app. The application involves the user selecting to view a graph, dynamically generated based on data stored in a DB on the server.
I\'ve seen this in a few places: data T = T a :-> b 开发者_开发问答 Notably in quickcheck we have
Suppose I have a compound data type - data M o = M (String,o) Now, I can define a function that works for ALL M irrespective of o. For example -
I want to generate a vectorspace from a basis pair, which looks something like: genFromPair (e1, e2) = [x*e1 + y*e2 | x <- [0..], y <- [0..]]
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