Go error rules#82
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GrosQuildu wants to merge 11 commits intomainfrom
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Adds three rules:
shadowed-err-check—if xErr := f(); err != nildeclares one err-like var but checks a different one (typo / copy-paste).pkg-errors-wrap-nil-err—pkg/errors.Wrap/Wrapf/WithMessage/WithMessagef/WithStackcalled on a provably-nil err; these return nil for nil input, silently swallowing the failure path.http-error-missing-return—http.Error(w, ...)not followed byreturn; handler keeps running after the error response.I used regexes for error detection: typed metavariables don't seem to work for this type.