Errors

A replacement for errors and pkg/errors. Supports error wrapping, inspection and multi errors.

Survey

Issues

#54 init
#62 support fmt.Formatter

Implementation

doc/design contains some survey and design choices we made
Wrap checks if this is already a WrappedErr, if not, it attaches stack
MultiErr keep a slice of errors, the thread safe version use mutex and returns copy of slice when Errors is called

References and Alternatives

golang/xerrors Official error wrapping fmt.Errorf("oh my %w", err)
rotisserie/eris
go-rewrap-errors Conver pkg/errors to standard library wrapping