Packages as layers, not groups
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Four years ago, I wrote an article called Standard Package Layout that tried to address one of the most difficult topics for even advanced Go developers: package layout. However, most developers still struggle with organizing their code into a directory structure that will grow gracefully with their application. Nearly all
Introducing WTF Dial (again)
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A blog series where we build and deploy a real-world Go application.
The Go Object Lifecycle
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Despite such a simple language, Go developers have found a surprising number of ways to create and use objects. In this post we’ll look at a 3-step approach to object management—instantiation, initialization, & initiation. We’ll also contrast this with other methodologies for creating and using objects and
Failure is your Domain
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Go’s paradox is that error handling is core to the language yet the language doesn’t prescribe how to handle errors. Community efforts have been made to improve and standardize error handling but many miss the centrality of errors within our application’s domain. That is, your errors are
Go Walkthrough: fmt
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In the last post we looked at fast, primitive encoding using strconv but in this post we’ll take a higher level approach by using templates with the fmt package. The fmt package builds on top of our knowledge of primitive formatting options but packages it in a way that’
Go Walkthrough: strconv
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Formatting & parsing primitive values in Go is a common task. You probably first dipped your toes into the fmt package when you started Go, however, there’s a less commonly used package for basic formatting that’s more efficient and preserves compiler type checking. The strconv package is built
Go Walkthrough: encoding/binary
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When you need to squeeze every last bit or CPU cycle out of your protocol, one of the best tools is the encoding/binary package. It operates on the lowest level and is built for working with binary protocols. We previously looked at using encoding/json for text-based protocols but
Go Walkthrough: encoding/json
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For better or for worse, JSON is the encoding of the Internet. Its formal definition is small enough that you could write it on the back of a napkin but yet it can encode strings, numbers, booleans, nulls, maps, and arrays. Because of this simplicity, every language has a JSON
