Functional Programming For Beginners DVD 3 and 4

by Nguyen Trung Hoa Sun 22 Aug 2010, 7:10 am

Functional Programming For Beginners DVD 3 and 4
English | WMV3 1024 x768 | MP3 48 Kbps | 309 MB
You?ve learned a fair amount about the functional programming paradigm?s foray into general purpose imperative progamming languages (LINQ, Lambda?s, etc in C# and VB.NET). And, of course, the newest language to join the Visual Studio family of languages, F#, is a functional language. You?ve heard us say how important functional language constructs are to the our current languages? capabilities to evolve in the right direction to meet the needs of the many-core future (the need for reliable and comprehensible concurrency, parallelism, etc) and, most importantly, to help vault computer programming into an age of compositionality (remember our talks on 9 regarding composability and evolution of software engineering as an engineering discipline?). Well, we decided to take a step back and teach you the fundamentals of functional programming at a level equivalent to any university. We even have a text book and professor who will expand our minds.

In this video, Dr. Meijer explores types and classes in Haskell. A type is a collection of related values and in Haskell every well-formed expression has a type. Using type inference, these types are automatically calculated at run time. If expression e returns a type t, then e is of type t, e :: t. A function is a mapping of one type to another type and you will learn about new types of functions in this lecture, specifically curried functions: functions that return functions as a result (and functions are values, remember) and polymorphic functions (function with a type that contains one or more type variables).

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