“I think it’s ok to do heinous stuff to test an API if it makes it more usable by others.” - Nate Finch Prelude If you are new to Go, it might help to read these posts first before continuing on with this post. https://www.ardanlabs.com/blog/2014/05/methods-interfaces-a...
JSON is the lingua franca of exchanging data over the net and between applications written in different programming languages. In this article, we create a tiny JSON client/server app in Go.
The context package makes it possible to manage a chain of calls within the same call path by signaling context’s Done channel. In this article, we will examine how to use the context package to avoid leaking goroutines. Assume, you have a function that starts a goroutine i...
Introduction Interfaces should only be used when their added value is clear. I see too many packages that declare interfaces unnecessarily, sometimes just for the sake of using interfaces. The use of interfaces when they are not necessary is called interface pollution. This is a...
Last week, I was at dotGo. I gave a very short lightning talk about inspection of code generation with the tools already available in the toolchain. This post goes through the talk for those who didn’t have the privilege to be at the conference. Slides are also available at...
Disclaimer: I forked my opinions on this one from a barely readable Twitter thread and wanted to write it down how I feel about keeping the language internals away from the users, especially from the newcomers. This is not a skill-level concern, it is a core goal of Go to provide...
How to generate random numbers, and the difference between math/rand and crypto/rand.