Is there a way to make the parser forward-only?

[Niedzwiedzw]

I am parsing from a reader which doesn't implement Seek. I have implemented a ForwardOnlySeek wrapper which errors on backwards seek but looks like the parser sometimes goes back, I think it's when matching enum variants... is there a way around it?

[csnover]

Hi, thanks for your question! binrw already comes with a wrapper for this, so you don’t need to write your own. Issue #253 tracks optimisations to avoid re-reading magic on data enums, and a workaround is given in the comments of that ticket.