Cargando…
Scala functional programming patterns : grok and perform effective functional programming in Scala /
Annotation
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham, UK :
Packt Publishing,
2015.
|
| Colección: | Community experience distilled.
|
| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Cover; Copyright; Credits; About the Author; Aknowledgement; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Grokking the Functional Way; Abstractions; Concise expression; Functions; Immutable; Referential transparency; The problem
- grouping continuous integers; Java code; Going scalaish; Thinking recursively ... ; Reusability
- the commonality/variability analysis; The one-liner shockers; Scala idioms; Patterns and those aha! moments; The command design pattern; The strategy design pattern; Passing algorithms around; Summary.
- Chapter 2: Singletons, Factories, and BuildersSingletons
- being one and only one; Null Objects
- singletons in another garb; Null Objects
- the Scala way; Options are container; Scala singletons; The apply() factory method; The factory method pattern; The Scala version; Builders; Ease of object creation; Scala shines again; Summary; Chapter 3: Recursion and Chasing your Own Tail; Recursive structures; Pattern matching; Deconstruction with case statements; Stack overflows; Tail recursion to the rescue; Getting the nth element of a list; An expression parser; Persistent data structures.
- Two forms of recursionSummary; Chapter 4: Lazy sequences
- Being Lazy, Being Good; Illusion and reality
- the proxy pattern; Hibernate's lazy loading; Lazy val
- calling by need; Infinite sequences
- Scala streams; Recursive streams; Memoization and the flyweight pattern; Call by name; Streams are collections; Sieve of Eratosthenes; A view to a collection; Summary; Chapter 5: Taming Multiple Inheritance with Traits; The iterator design pattern; Interfaces as types; The dreaded diamond; Traits
- Scala's rich interfaces; Mix-ins
- rich interfaces; Frills and thrills
- the decorator pattern.
- Scala's easy and breezy decorations
- stackable modificationsDependencies injection pattern; A taste of the cake pattern; Sealed traits; Defeating the dreaded diamond; Summary; Chapter 6: Currying Favors with Your Code; Functions as first-class values; Roping in a scope; Local functions
- hiding and biding their time; The underscore
- Scala's Swiss army knife; A taste of the curry; Type inference; Of implicits and explicits; Stylish blocks; The loan pattern; Serving the curry; Frills and thrills
- decorators again; Wrapping it up; Summary.
- Chapter 7: Of Visitors and Chains of ResponsibilitiesA tale of two hierarchies; The Visitor pattern; Many hues of pattern matching; De-structuring; Typed patterns; Pattern guards; Tuple explosion; Partial functions; Visitor pattern
- the Scala way; Lifting it up; The chain of responsibility; Scalaish Chain Of Responsibilities; Match and mismatch
- the collect idiom; Summary; Chapter 8: Traversals
- Mapping/Filtering/Folding/Reducing; Iterating the Scala way; A validation problem; Setting the stage ; First cut-using arrays; Second cut-using a map; Third cut-using a for expression.