As Functional Programming: Pure Functions explains, it is possible (and sometimes desirable) to “separate the pure, functional, value based core of your application from an outer, imperative ...

Instead, functional programming prefers to take an existing variable and pass it through a “pipeline” (a function or functions) that transforms it into a new variable, leaving the original as-is.

In-Depth Functional Programming, the .NET Way The functional programming paradigm, which has been around for decades, has never gone out of style. In this two-part series, we look at Microsoft's ...

Chapter 6: Functions and Functional Programming Substantial programs are broken up into functions for better modularity and ease of maintenance. Python makes it easy to define functions but also ...

The PHP team is considering adding a partial implementation of generics to the language, has confirmed that a pipe operator ...

Functional programming is a significant paradigm shift in the software world over the past 10 years. Slowly but surely, it has moved from a niche feature of a few uncommonly used languages to a ...

Functional programming languages can have objects, but generally those objects are immutable — either arguments or return values to functions. There are no for/next loops, as those imply state ...

You see, we don’t get functional programming by starting with an imperative language and cutting off its legs. A purely functional subset of Java or C or Python would be miserable little languages.

Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they’ll ever figure out which Java function to use and what the proper ...