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Accelerated C# 2010 by Trey Nash

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Chapter 15. Lambda Expressions

Most of the new features of C# 3.0 opened up a world of expressive functional programming to the C# programmer. Functional programming, in its pure form, is a programming methodology built on top of immutable variables (sometimes called symbols), functions that can produce other functions, and recursion, just to name a few of its foundations. Some prominent functional programming languages include Lisp, Haskell, F#,[61] and Scheme.[62] However, functional programming does not require a pure functional language, and one can use and implement functional programming disciplines in traditionally imperative languages such as the C-based languages (including C#). The features added in C# 3.0 transformed the language into ...

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