Monad Frens

A monad (monad) in programming and functional computer science is a construct used for complexity and side management (such as errors, status, or input/output). In simple terms, a monad acts like a box or container that holds a value and defines rules for working with that value. The concept first came from mathematics (set theory), but has become very popular in languages ​​like Haskell. For example, the "maybe" monad is used to represent a value that may or may not exist (like null in other languages). With monads, code becomes cleaner and more predictable.