- Describe two ways to make it possible for some resource, R, to use it together with scala.util.Using resource management utility.
- How can an instance of a Set and an instance of a List be compared to each other?
- Name the default concrete implementation for an immutable Seq.
- Name the default concrete implementation for an immutable indexed Seq.
- Name the default concrete implementation for a mutable Seq.
- Name the default concrete implementation for a mutable indexed Seq.
- It is sometimes said that List.flatMap is more powerful than it was expected to be. Can you explain why?
- Describe a way to map over a collection multiple times using different functions but without producing intermediate collections.
Learn Scala Programming
By :
Learn Scala Programming
By:
Overview of this book
The second version of Scala has undergone multiple changes to support features and library implementations. Scala 2.13, with its main focus on modularizing the standard library and simplifying collections, brings with it a host of updates.
Learn Scala Programming addresses both technical and architectural changes to the redesigned standard library and collections, along with covering in-depth type systems and first-level support for functions. You will discover how to leverage implicits as a primary mechanism for building type classes and look at different ways to test Scala code. You will also learn about abstract building blocks used in functional programming, giving you sufficient understanding to pick and use any existing functional programming library out there. In the concluding chapters, you will explore reactive programming by covering the Akka framework and reactive streams.
By the end of this book, you will have built microservices and learned to implement them with the Scala and Lagom framework.
Table of Contents (19 chapters)
Preface
Free Chapter
An Introduction to Scala 2.13
Understanding Types in Scala
Deep Dive into Functions
Getting to Know Implicits and Type Classes
Property-Based Testing in Scala
Exploring Built-In Effects
Understanding Algebraic Structures
Dealing with Effects
Familiarizing Yourself with Basic Monads
A Look at Monad Transformers and Free Monad
An Introduction to the Akka and Actor Models
Building Reactive Applications with Akka Typed
Basics of Akka Streams
Project 1 - Building Microservices with Scala
Project 2 - Building Microservices with Lagom
Preparing the Environment and Running Code Samples
Assessments
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