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  • Book Overview & Buying Go Recipes for Developers
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Go Recipes for Developers

Go Recipes for Developers

By : Burak Serdar
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Go Recipes for Developers

Go Recipes for Developers

By: Burak Serdar

Overview of this book

With its simple syntax and sensible conventions, Go has emerged as the language of choice for developers in network programming, web services, data processing, and other settings. This practical guide helps engineers leverage Go through up-to-date recipes that solve common problems in day-to-day programming. Drawing from three decades of distributed systems engineering and technical leadership at companies like Red Hat, Burak Serdar brings battle-tested expertise in building robust, scalable applications. He starts by covering basics of code structure, describing different approaches to organizing packages for different types of projects. You’ll discover practical solutions to engineering challenges in network programming, dealing with processes, databases, data processing pipelines, and testing. Each chapter provides working solutions and production-ready code snippets that you can seamlessly incorporate into your programs while working in sequential and concurrent settings. The solutions leverage the more recent additions to the Go language, such as generics and structured logging. Most of the examples are developed using the Go standard library without any third-party packages. By the end of this book, you’ll have worked through a collection of proven recipes that will equip you accelerate your Go development journey.
Table of Contents (20 chapters)
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Timers

Use time.Timer to schedule some work to be done in the future. When the timer expires, you will receive a signal from a channel. You can use a timer to run a function later or to cancel a process that ran too long.

How to do it...

You can create a timer in one of two ways:

  • Use time.NewTimer or time.After. The timer will send a signal through a channel when it expires. Use a select statement, or read from the channel to receive the timer expiration signal.
  • Use time.AfterFunc to call a function when the timer expires.

How it works...

A time.Timer timer is created with time.Duration:

// Create a 10-second timer
timer := time.NewTimer(time.Second*10)

The timer contains a channel that will receive the current timestamp after 10 seconds pass. A timer is created with a channel capacity of 1, so the timer runtime will always be able to write to that channel and stop the timer. In other words, if you fail to read from a timer, it will not leak; it will...

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Go Recipes for Developers
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