Titlebook: Stylish F#; Crafting Elegant Fun Kit Eason Book 20181st edition Kit Eason 2018 F#.C#..NET.Don Syme.Functional Programming.monads.F# program

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Immutability and Mutation,In this chapter we look at the importance of immutable style coding. We list some of the most common coding patterns where, in C-like languages, one used to have to resort to using mutable values and looping. We show how these can be re-expressed in immutable style.

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Layout and Naming,In this chapter we show how important it is to use clear layout, scoping and naming in our F# code. We take a piece of functioning but messy code, and through successive layout and naming improvements, transform it into code to be proud of.

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Summary,In this chapter we briefly reprise the topics of each previous chapter.

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Missing Data, in Object Oriented programs. We learn how to stop thinking of null values and other missing data items as rare cases to be fended off as an afterthought in our code. We find out how to embrace and handle missing data stylishly using F#’s rich toolbox, including option types, Discriminated Unions, pattern matching, and the Option module.

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