Distinguishing between specific error values and types is easy in Go, thanks to the (relatively) new errors.Is and errors.As functions. Let’s talk about what they do, when and how to use them, and how to know which one is appropriate.
All tagged HTTP
An API client in Go
The internet is very big, and a vast ocean of network resources lies undiscovered before us. Let's dip a hook into that ocean now and see what we can catch with an API client in Go.
Are you a Go black belt?
Are you a grasshopper or a Go sensei? Can you wax on, wax off? Go mentor and would-be Mr Miyagi, John Arundel, explains how he grades his students using a system of coloured belts like those used in the martial arts. Find out how your skills compare to typical junior, mid-level, and senior devs!
Writing slower Go programs
Optimizing Golang code for performance is almost certainly a waste of your time, for several reasons: performance doesn’t matter, Go is fast, and readability is more important than speed. You can buy a faster computer, but you can’t buy a faster brain.