I think you can do what you want with `HandlerOptions.ReplaceAttr`. It is given every attribute, even the message. It can't change the group names, though, and those can have newlines.
On Tuesday, August 8, 2023 at 5:47:38 PM UTC-4 Ian Lance Taylor wrote: > [ + jba ] > > On Tue, Aug 8, 2023 at 4:24 AM Joseph Lorenzini <jal...@gmail.com> wrote: > > > > Thanks that was very helpful. As for your point about slog, yes a custom > handler could but I am using the library json handler. > > > > I suppose the proper way to frame my problem is that I am using the slog > library handler and I do not want new lines in the message or keys. > > > > Would the go team would be open to providing knobs to control how the > handler does formatting? I assumed if I tried opening a proposal like that > I’d be told to write a custom handler. :) > > > > On Mon, Aug 7, 2023 at 3:56 PM Ian Lance Taylor <ia...@golang.org> > wrote: > >> > >> On Mon, Aug 7, 2023 at 4:32 AM jal...@gmail.com <jal...@gmail.com> > wrote: > >> > > >> > In the errors.join proposal, the proposed api had the user specify > how they wanted the errors to be formatted together. But the actual > implementation omitted and only used new line. > >> > > >> > This is quite unfortunate if you are using slog and want to log that > error and very much need a log statement to not span multiple lines. It > also makes it much harder to read. > >> > > >> > Does anyone recall why sep was dropped? > >> > >> See the discussion at https://go.dev/issue/53435, especially > >> https://github.com/golang/go/issues/53435#issuecomment-1190654775 and > >> https://github.com/golang/go/issues/53435#issuecomment-1190845424. > >> > >> As far as the slog package it seems to me that a handler can enforce > >> that individual messages are on a single line. There may be a better > >> way to address that problem, but I don't think that errors.Join is the > >> right place for a fix. Any random package can generate multiline > >> error messages with errors.New("a\nb"), and I've seen plenty that do. > >> So enforcing single-line messages on errors.Join won't fix the problem > >> in general. > >> > >> Ian > -- 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/e9f2b5a1-d782-48a3-a073-00dc4087c0d9n%40googlegroups.com.
