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F# 4.0 Design Patterns

You're reading from   F# 4.0 Design Patterns Solve complex problems with functional thinking

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Product type Paperback
Published in Nov 2016
Publisher Packt
ISBN-13 9781785884726
Length 318 pages
Edition 1st Edition
Languages
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Author (1):
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Gene Belitski Gene Belitski
Author Profile Icon Gene Belitski
Gene Belitski
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Table of Contents (14) Chapters Close

Preface 1. Begin Thinking Functionally 2. Dissecting F# Origins and Design FREE CHAPTER 3. Basic Functions 4. Basic Pattern Matching 5. Algebraic Data Types 6. Sequences - The Core of Data Processing Patterns 7. Advanced Techniques: Functions Revisited 8. Data Crunching – Data Transformation Patterns 9. More Data Crunching 10. Type Augmentation and Generic Computations 11. F# Expert Techniques 12. F# and OOP Principles/Design Patterns 13. Troubleshooting Functional Code

Chapter 3.  Basic Functions

In this chapter, I'll cover the core element of the program code built with the functional paradigm, that is, function. The notion of a function is ubiquitous indeed. In the world around us, it may mean plenty of things, from purpose of something to dependency and to work in a certain manner. But here, I will consider it through the prism of computer programming, where a function generally means a method of computing results based on inputs. This examination is going to include the following:

  • The notion of a function, the function definition and type signature, pure functions, referential transparency, and side effects
  • Function parameters and arguments: a special type unit, the parameter number and type, the return value and type, currying, partial function application
  • Higher-order functions, functions as arguments and return values, anonymous functions, functions as data type constituents, and functions as interfaces
  • Closures, mutable values, and...
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