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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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Custom unmarshaling with two passes

The first pass unmarshals discriminator fields while leaving the rest of the input unprocessed. Based on the discriminator, the concrete instance of the object is constructed and unmarshaled.

How to do it...

  1. We will work with an example Key structure in this section. The Key structure holds different types of cryptographic public keys, whose type is given in a Type field:
    type KeyType string
    const (
         KeyTypeRSA     = "rsa"
         KeyTypeED25519 = "ed25519"
    )
    type Key struct {
         Type KeyType          `json:"type"`
         Key  crypto.PublicKey `json:"key"`
    }
  2. Define the JSON tags for the data structure as usual. Most polymorphic structures can be marshaled without a custom marshaler because the runtime type of objects...
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Go Recipes for Developers
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