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https://pkg.go.dev/errors#Is https://pkg.go.dev/errors#Is and https://pkg.go.dev/fmt#Errorf https://pkg.go.dev/fmt#Errorf clearly state that there is a way to m

by wbl 2y ago

https://pkg.go.dev/errors#Is https://pkg.go.dev/errors#Is and https://pkg.go.dev/fmt#Errorf https://pkg.go.dev/fmt#Errorf clearly state that there is a way to match these errors if the package exposes the values, which the stdlib does.

the_gipsy 2y ago
Ah okay, it seems to work because errors are pointers, and errors.Is just checks for equality.
Yoric 2y ago
Which only works when the error itself doesn't contain any information. It's better than nothing, of course.