This article investigates which of C# and F#, languages with growing user bases, does the best job for developers looking to put functional programming in place for their teams and projects. C# relies on object-oriented, imperative principles, and F# relies on functional principles. Efficiency is everything in the world of application development. Functional programming was in common use decades ago but lost ground quickly to object-oriented programming languages, which soon became the de facto standard. But in recent years, there has been a resurgence of interest in functional programming as a way to improve development efficiency and build more stable and robust applications. This article explores the debate on functional vs object-oriented programming and gives a comprehensive guide to choosing between F# vs C# for building functional .NET applications.
