On Tue, Jul 08, 2025 at 09:44:57PM +0200, Andreas Hindborg wrote: > Add `BorrowFormatter`, a formatter that writes to an array or slice buffer. > This formatter is backed by the existing `Formatter`. > > Signed-off-by: Andreas Hindborg <a.hindborg@xxxxxxxxxx> I don't think we need a separate BorrowFormatter. We can instead add a lifetime to Formatter and give it a safe constructor from a mutable slice. Alice