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The first commit adds an
Unwrap
to the error type, so that errors created byerrwrap
can be unwrapped byerrors.Is
anderrors.As
.The second commit adds another case to
Walk
(which is used by Get/GetAll/Contains/etc) to support the go1.13 wrap interface. This should allow existing packages to start usingfmt.Errorf
to wrap errors without having to change everyerrwrap
call in a project.