Profile-guided optimization in Go 1.21
Introduction to profile-guided optimization, generally available in Go 1.21.
'Cgo performance is good actually'
#474 — September 5, 2023 Unsub | Web Version Go Weekly Perfectly Reproducible, Verified Go Toolchains — Go 1.21 contains some significant features, but truly reproducible builds is a big deal and Russ goes (deep) into how it wor...
Configuring options in Go
Suppose, you have a function that takes an option struct and a message as input. Then it stylizes the message according to the option fields and prints it. What’s the most sensible API you can offer for users to configure your function? Observe: // app/src package src // O...
Configuring options in Go
Suppose, you have a function that takes an option struct and a message as input. Then it stylizes the message according to the option fields and prints it. What’s the most sensible API you can offer for users to configure your function? Observe: // app/src package src // O...
Creating global middleware for `net/http` servers in Go
When you're writing pure net/http HTTP services with Go, you may want to wrap them in a middleware, for instance to ensure that authentication is provided, or to provide logging. Having largely just used gorilla/mux, I found it was a little bit awkward to do so, but with thanks t...
What Go versions are my modules and dependencies targeting?
As noted in Why is Go trying to upgrade my go.mod to Go 1.21?, we've had a report on oapi-codegen that Go is trying to upgrade our go.mod to a newer Go version. Through discussion in the Go community (Gopher) Slack, it appears that this is due to one of the modules in my dependen...
Why is Go trying to upgrade my `go.mod` to Go 1.21?
On oapi-codegen we recently had a report that Go 1.21 results in go test being unable to run without having go mod tidy'd the project. If you're running Go 1.21: $ go version go version go1.21.0 linux/amd64 Then checking out the project (as of the latest commit and running make t...
What’s new in Go 1.21? Podcast
I was on episode 289 of the Go Time podcast, talking about What’s New in Go 1.21. Check it out!
Dummy load balancer in a single Go script
I was curious to see if I could prototype a simple load balancer in a single Go script. Go’s standard library and goroutines make this trivial. Here’s what the script needs to do: Spin up two backend servers that’ll handle the incoming requests. Run a reverse p...
Dummy load balancer in a single Go script
I was curious to see if I could prototype a simple load balancer in a single Go script. Go’s standard library and goroutines make this trivial. Here’s what the script needs to do: Spin up two backend servers that’ll handle the incoming requests. Run a reverse p...