feat(tvix/castore/directory/traverse_directory): simplify r/8141

Use try_stream! rather than stream!, and a bit more map_err and ok_err
to make things a bit more concise. Once we have proper error types here,
and impl Froms, a lot of the error mapping would disappear entirely.

Change-Id: I5240a6b0ff7818b94c151322774242b2c142e33b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11633
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI

0 files changed, 0 insertions, 0 deletions