Notice the logic in (*bytes.Buffer).grow which will throw away already read data, specifically in the case n <= c/2--m.
On Mon, Mar 25, 2019 at 9:57 AM fREW Schmidt <fri...@gmail.com> wrote: > Oh thanks, I'll switch my code to reader, though as far as I can tell, > bytes.Buffer doesn't discard already read data, it merely sets the > (private) offset. Maybe I just got luck though. > > Thanks again! > > On Mon, Mar 25, 2019 at 08:54:43AM +0000, roger peppe wrote: > > The reason bytes.Buffer doesn't implement io.ReaderAt is that it doesn't > > keep bytes in the buffer that have been read, so it's not possible to > > implement that method. > > > > You can use bytes.Reader instead, which does implement io.ReaderAt and > > io.Seeker. > > To make a bytes.Reader from a bytes.Buffer, you can do > > `bytes.NewReader(buf.Bytes())`. > > > > hope this helps, > > rog. > > > > On Mon, 25 Mar 2019 at 06:06, <fri...@gmail.com> wrote: > > > > > Is there a reason I shouldn't submit a PR for bytes.Buffer.ReadAt? It > > > would at least help for some in memory tests. > > > > > > -- > > > Thanks, > > > fREW > > > > > > -- > > > 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. > > > For more options, visit https://groups.google.com/d/optout. > > > > > -- > fREW Schmidt > https://blog.afoolishmanifesto.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. > For more options, visit https://groups.google.com/d/optout. > -- 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. For more options, visit https://groups.google.com/d/optout.
