~golangweekly | Issue 538 - An interactive tour of Go 1.24 (9)

An Interactive Tour of Go 1.24 — A list of all the significant new 1.24 features. Each is accompanied by interactive, runnable examples so you can see generic type aliases in action, make (and clean up) weak pointers, play with file access, and see benchmarks for the new faster map implementation. Go 1.24 is expected to land in the next month or two, with RC2...

The First Newsletter Dedicated to Product Engineers — The fastest growing startups increasingly rely on product engineers. They can both figure out what to build and actually build it. Product for Engineers is dedicated to sharing the skills and strategies needed to succeed in this role.

if got, want: A Simple Way to Write Better Go Tests — “There’s an excellent Go testing pattern that too few people know. I can teach it to you in 30 seconds” is quite the pitch. The trick is using both assignments and a comparison on a single if line to make a test easier to read — it’s even used in the standard library.

Gophers Pack: A Collection of Gopher Pictures and Design Elements — If you want some handy Go gopher themed images to use for a project, blog post, or presentation, this myriad of cute CC0 (public domainish) elements could be a big help. We use them a lot in this newsletter and Maria has recently added a variety of winter themed options.

A Practical Example of Dependency Inversion using Plugins — An example of using Clean Architecture principles with Go’s plugin package to create an app that’s adaptable and extendable without modifying the core source code.

Realizing Why Go Reflection Restricts What Struct Fields Can Be Modified — Private (unexported) fields can’t be modified, even when using reflection. When looking at this through Rust-colored glasses, it makes more sense.

go-mail v0.6: A Library for Sending Emails — If you’ve got email to send, go-mail can do the job. v0.6 adds support for S/IME signing, SMTP auth auto-discovery, Unix domain socket support, and a ‘quick send’ feature.

ebpf-go 0.17: A Way to Work with eBPF from Go — A pure Go library to read, modify and load eBPF programs for use directly by the Linux kernel (eBPF is a neat technology worth exploring if you’re not familiar with it yet). The new 0.17 release requires Go 1.22+ and introduces a new API to work with global variables.

go-haystack: Track Personal Devices via Apple's 'Find My' Network — An interesting way to track personal Bluetooth devices via Apple’s massive “Find My” network by way of TinyGo and a little extra hardware.