error-handling

Package version eg. v9, v10:

github.com/go-playground/locales v0.13.0
github.com/go-playground/universal-translator v0.17.0
github.com/go-playground/validator/v10 v10.2.0

Issue, Question or Enhancement:

Golangci-lint (https://github.com/golangci/golangci-lint) comes with a errorlint linter (https://github.com/polyfloyd/go-errorlint). When I switched it on, I got this issue f

Currently IntoDiagnostic wraps the Error that it is called on with a DiagnosticError.

https://github.com/zkat/miette/blob/e6f5cacfa65cfe26255a5686ceb610b4a211931b/src/eyreish/into_diagnostic.rs#L22-L26

This means that any further inspection using is or downcast{,_ref,_mut} will fail to reach the inner type and only DiagnosticError can be reached. Since it is an implementation detai

Took me a while to discover it, might be nice including it in one of the basic examples

This case should just be passed directly to the parent handler