my understanding is the whole wrap mechanism is to move to types, rather than strings, so you can test for a 'class' of error without the hacky use of string comparison.
On Wednesday, 2 September 2020 17:18:10 UTC+1, burak serdar wrote: > > On Wed, Sep 2, 2020 at 10:05 AM 'simon place' via golang-nuts > <golan...@googlegroups.com <javascript:>> wrote: > > > > the example compares the print output of a fmt.errorf wrapped error and > a custom-error type wrapped error, the custom one isn't showing the wrapped > error., > > It will if you also print the wrapped error: > > func (e MyErr) Error() string { > return "My wrapping:"+ e.error.Error() > } > > > > > > > On Wednesday, 2 September 2020 16:58:31 UTC+1, burak serdar wrote: > >> > >> On Wed, Sep 2, 2020 at 9:48 AM 'simon place' via golang-nuts > >> <golan...@googlegroups.com> wrote: > >> > > >> > import "github.com/pkg/errors" > >> > > >> > should be > >> > > >> > import "errors" > >> > > >> > left over from testing, but makes no difference, as expected. > >> > >> What were you expecting? > >> > >> > > >> > -- > >> > You received this message because you are subscribed to the Google > Groups "golang-nuts" group. > >> > To unsubscribe from this group and stop receiving emails from it, > send an email to golan...@googlegroups.com. > >> > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/0d654a7b-dc92-432b-b152-91bd6ba68cf2o%40googlegroups.com. > > > > > > -- > > You received this message because you are subscribed to the Google > Groups "golang-nuts" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to golan...@googlegroups.com <javascript:>. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/d240fe1d-fce5-41c5-b45e-03bb5caa9e9eo%40googlegroups.com. > > > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/844c4220-5e2a-466f-8a9d-63904fd11e89o%40googlegroups.com.