Sep 5, 2008 · A monad appears to be a "comprehensible unit which is predictable upon its full understanding" -- If you understand "Maybe" monad, there's no possible way it will do anything …

Apr 24, 2010 · The monad is the "glue code" executed before and after each evaluated argument. This glue code function "bind" is supposed to integrate each argument's environment output …

Dec 3, 2011 · Monads capable of this are called "vernünftige Seelen" or "Geister" (intelligent souls or spirits, "animae"). Now, there is a hierarchy of monads with regard to their apperceptions: …

Oct 6, 2010 · A Monad f is a fixed endofunctor, not a subset of endofunctors closed under composition. A common construction is to use f to generate a monoid by taking the set of all k …

Changing the definition of Monad at this point, would have broken a lot of existing code (any piece of code that defines a Monad instance) to be worthwhile. Breaking backwards-compatibility …

Dec 20, 2011 · (See also my previous thoughts on magicMonadUnwrap :: Monad m => m a -> a) Suppose I tell you I have a value which has the type [Int]. Since we know that [] is a monad, …

Dec 23, 2018 · Actually Monad conception is incredible powerful. Don't be upset, if you didn't get insight at once. Just keep trying, and read different tutorials. The knowledge you'll get will pay …

A monad is a highly composable unit (a kind of building block of programming) in functional programming. (IMO, introducing "Monad laws" without any context and rationalization is …

As a compliment to Carl's answer, a Monad in Haskell is (theoretically) this: class Monad m where join :: m (m a) -> m a return :: a -> m a fmap :: (a -> b) -> m a -> m b Note that "bind" (>>=) …

Jan 30, 2015 · The maybe monad for instance can be easily understood, because it deals with a problem that both languages are facing: Computations that might go wrong by not returning a …