In object-oriented programming, we might say the core concepts are: encapsulation inheritance, polymorphism What would that be in functional programming?

I've been mainly exposed to OO programming so far and am looking forward to learning a functional language. My questions are: When do you choose functional programming over object-oriented? …

Aug 23, 2008 · What advantages does functional programming provide? Functional programming allows coding with fewer potentials for bugs because each component is completely isolated. Also, using …

Jun 20, 2009 · Stateless programming is just as expressive and powerful as stateful programming, it just requires a little practice to train yourself to start thinking statelessly. Of course, "stateless …

Jul 16, 2011 · A Y-combinator is a computer science concept from the “functional” side of things. Most programmers don't know much at all about combinators, if they've even heard about …

In computer science, functional programming is a programming paradigm that treats computation as the evaluation of mathematical functions and avoids state and mutable data.

May 8, 2009 · Are there any known principles, best-practices and design patterns that one can follow while writing code in a functional programming language?

Apr 24, 2010 · It is presented as "the leading design pattern for functional programming", but the language used in the examples is Scala, which is both OOP and functional. You can read more on …

Feb 16, 2009 · What are the differences between these programming paradigms, and are they better suited to particular problems or do any use-cases favour one over the others? Architecture examples …

Maybe I've not learned enough about functional programming, but it doesn't seem functional to me. I thought the functional approach was to compose functions and expressions, not simply execute …