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The Go Programming Language
Author: Alan A. A. Donovan
language: en
Publisher: Addison-Wesley Professional
Release Date: 2015-11-16
The Go Programming Language is the authoritative resource for any programmer who wants to learn Go. It shows how to write clear and idiomatic Go to solve real-world problems. The book does not assume prior knowledge of Go nor experience with any specific language, so you’ll find it accessible whether you’re most comfortable with JavaScript, Ruby, Python, Java, or C++. The first chapter is a tutorial on the basic concepts of Go, introduced through programs for file I/O and text processing, simple graphics, and web clients and servers. Early chapters cover the structural elements of Go programs: syntax, control flow, data types, and the organization of a program into packages, files, and functions. The examples illustrate many packages from the standard library and show how to create new ones of your own. Later chapters explain the package mechanism in more detail, and how to build, test, and maintain projects using the go tool. The chapters on methods and interfaces introduce Go’s unconventional approach to object-oriented programming, in which methods can be declared on any type and interfaces are implicitly satisfied. They explain the key principles of encapsulation, composition, and substitutability using realistic examples. Two chapters on concurrency present in-depth approaches to this increasingly important topic. The first, which covers the basic mechanisms of goroutines and channels, illustrates the style known as communicating sequential processes for which Go is renowned. The second covers more traditional aspects of concurrency with shared variables. These chapters provide a solid foundation for programmers encountering concurrency for the first time. The final two chapters explore lower-level features of Go. One covers the art of metaprogramming using reflection. The other shows how to use the unsafe package to step outside the type system for special situations, and how to use the cgo tool to create Go bindings for C libraries. The book features hundreds of interesting and practical examples of well-written Go code that cover the whole language, its most important packages, and a wide range of applications. Each chapter has exercises to test your understanding and explore extensions and alternatives. Source code is freely available for download from http://gopl.io/ and may be conveniently fetched, built, and installed using the go get command.
The Go Programming Language Reference
"The Go Programming Language Reference" "The Go Programming Language Reference" serves as an authoritative guide to the syntax, semantics, and advanced features of Go, one of the most modern and efficient programming languages in use today. Beginning with a rigorous analysis of Go's lexical elements and statement structures, the book lays a foundation for developers by detailing tokens, literals, operators, code formatting, and documentation best practices—ensuring not only correctness but also readability and maintainability in Go codebases. Building on this foundation, the reference delves deeply into Go’s core and composite types, covering everything from primitives and strings to arrays, slices, maps, structs, and pointers. It illuminates the language’s robust type system, memory management nuances, and scoping principles before progressing to the intricate mechanisms of functions, methods, closures, and interfaces. Alongside thorough explorations of concurrency using goroutines and channels, the book provides essential insights into Go’s sophisticated concurrency patterns and memory model—empowering developers to write safe, scalable, and highly-concurrent systems. Advanced chapters address Go's distinctive approach to error handling, robust build and tooling systems (including modules and cross-compilation), and runtime concerns such as garbage collection, reflection, and generics. Special attention is given to interoperability with C through cgo, as well as to unsafe operations and advanced diagnostic tooling. With best practices and design guidelines interwoven throughout, "The Go Programming Language Reference" is an indispensable resource for developers seeking a precise and in-depth understanding of Go’s inner workings and practical application.
Hands-On Software Engineering with Golang
Author: Achilleas Anagnostopoulos
language: en
Publisher: Packt Publishing Ltd
Release Date: 2020-01-24
Explore software engineering methodologies, techniques, and best practices in Go programming to build easy-to-maintain software that can effortlessly scale on demand Key Features Apply best practices to produce lean, testable, and maintainable Go code to avoid accumulating technical debt Explore Go’s built-in support for concurrency and message passing to build high-performance applications Scale your Go programs across machines and manage their life cycle using Kubernetes Book DescriptionOver the last few years, Go has become one of the favorite languages for building scalable and distributed systems. Its opinionated design and built-in concurrency features make it easy for engineers to author code that efficiently utilizes all available CPU cores. This Golang book distills industry best practices for writing lean Go code that is easy to test and maintain, and helps you to explore its practical implementation by creating a multi-tier application called Links ‘R’ Us from scratch. You’ll be guided through all the steps involved in designing, implementing, testing, deploying, and scaling an application. Starting with a monolithic architecture, you’ll iteratively transform the project into a service-oriented architecture (SOA) that supports the efficient out-of-core processing of large link graphs. You’ll learn about various cutting-edge and advanced software engineering techniques such as building extensible data processing pipelines, designing APIs using gRPC, and running distributed graph processing algorithms at scale. Finally, you’ll learn how to compile and package your Go services using Docker and automate their deployment to a Kubernetes cluster. By the end of this book, you’ll know how to think like a professional software developer or engineer and write lean and efficient Go code. What you will learn Understand different stages of the software development life cycle and the role of a software engineer Create APIs using gRPC and leverage the middleware offered by the gRPC ecosystem Discover various approaches to managing package dependencies for your projects Build an end-to-end project from scratch and explore different strategies for scaling it Develop a graph processing system and extend it to run in a distributed manner Deploy Go services on Kubernetes and monitor their health using Prometheus Who this book is for This Golang programming book is for medium to advanced users who want to delve deeper into the best practices of using Golang to build complex distributed systems effectively. Knowledge of Go programming and the basics of software development is required.