On: Go: Sentinel errors and errors.Is() slow your code...

[zachmu]

That's interesting, because I ran the benchmarks on that version of Go.

[richbell → zachmu]

The `err == nil` check was added in April to avoid expensive and unnecessary reflection. Perhaps 1.23, or whichever release that ends up in, would be faster?

https://github.com/golang/go/commit/af43932c20d5b59cdffca454...