Haskell is a functional programming language featuring strong static typing, lazy evaluation, extensive parallelism and concurrency support, and unique abstraction capabilities.
I've frequently heard claims that Haskell doesn't have variables; in particular, this answer claims that it doesn't, and it was …
variables haskell immutability monads referential-transparencyFirstly, Real World Haskell, which I am reading, says to never use foldl and instead use foldl'. So I trust …
recursion functional-programming fold haskellI'm very new to Yesod and I'm having trouble building Yesod statically so I can deploy to Heroku. I have …
linux haskell heroku static-linking yesodHow do you trim whitespace from the start and end of a string? trim " abc " => "abc" Edit: Ok, let …
string haskell trim removing-whitespaceI'm going to be teaching a lower-division course in discrete structures. I have selected the text book Discrete Structures, Logic, …
haskell functional-programming sml discrete-mathematicsI'm doing a bit of self study on functional languages (currently using Haskell). I came across a Haskell based assignment …
haskell map functional-programming filter foldIt seems that a newtype definition is just a data definition that obeys some restrictions (e.g., only one constructor), …
haskell types language-design type-systemsI am new to Haskell and facing a "cannot construct infinite type" error that I cannot make sense of. In …
haskell types type-inferenceWhen you are writing slightly more complex functions I notice that $ is used a lot but I don't have a …
haskell syntax operators dollar-signI am having problem in entering multi-line commands in ghci. The following 2-line code works from a file: addTwo :: Int …
haskell ghci