From objects to functions: build your software faster and safer with functional...

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Описание

Build applications quicker and with less effort using functional programming
and Kotlin. Learn by building a complete application, from gathering
requirements to delivering a microservice architecture following functional
programming principles. Learn how to implement CQRS and EventSourcing in a
functional way to map the domain into code better and to keep the cost of
change low for the whole application life cycle.

If you're curious about functional programming or you are struggling with how
to put it into practice, this guide will help you increase your productivity
composing small functions together instead of creating fat objects.

Switching to the functional paradigm isn't easy when you're used to object-
oriented programming. You need more than just lambdas and mapping over
collections to get a declarative style and disentangle the state from the
computations. Use transformations and compositions to help you write less code
with better results. Boost your productivity and harness the power of
functional programming by creating real-world applications rather than
focusing on theoretical concepts.

Work through a series of short exercises to find and compose pure functions,
and create data structures that work like algebra. Get rid of mutable state in
your software to eliminate the main source of bugs. Apply CQRS and
EventSourcing patterns to translate stakeholder requirements into functional
design and then into code. See how Kotlin's easy-to-learn syntax and
functional-friendly approach make it a great option for a pragmatic language
that integrates well with existing Java code and libraries.

Leverage functional programming to build and deliver robust applications in
less time and with fewer defects.

What You Need:

The code in this book is designed to allow you to build your application from
scratch on Windows, Mac and Linux. You will need a recent IDE, we recommend
IntelliJ Community Edition, and Kotlin 1.3.x or later.

Також купити книгу From Objects to Functions: Build Your Software Faster and
Safer with Functional Programming and Kotlin, Uberto Barbini Ви можете по
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