How to break up circular dependencies
Import dependencies in Go must contain no circles. Here is how to get rid of them
Short tips, essays, and news about working with Go and software development.
How to use errors with iterator functions in Go
The new function iterators in Go 1.23 have no means for returning an error. But what if the iterator function may fail?
How To Set Up Subcommands Without a CLI Command Package in 2 Steps
Which CLI command package to choose? Postpone this decision and use a build tool instead
Magic, or the lack thereof
Go is a non-magical language. The term 'non-magical' deserves a closer look.
It's time to switch! 5 ways of using the switch statement
Go's `switch` statement is more flexible that you might know.
4 tools for generating REST APIs
Generate Go code from an OpenAPI spec, or vice versa? You decide. These tools help you go both ways.
Removal Of Response Headers For Errors Can Break On-The-Fly Encoding in Go 1.23
In Go 1.23, ServeContent, ServeFile, and ServeFileFS remove the Content-Encoding header, affecting middleware that applies on-the-fly encoding.
Range-Over-Func In A Nutshell
The new iterator functions in Go 1.23 replace an unwieldy loop construct with the familiar range syntax. Here is how.
6 repos that help you get better in Go
What's better than learning by inspecting real code? These repositories can help you transition from 'I know Go' to 'I understand how to use Go'.
Concurrency and pointers
Passing values through channels is fine, but beware of passing (hidden) pointers between goroutines.