D6394: rust-dirstate: add "dirs" rust-cpython binding

[yuja (Yuya Nishihara)]

yuja added a comment.


  > +    def __contains__(&self, item: PyObject) -> PyResult<bool> {
  > +        Ok(self
  > +            .dirs_map(py)
  > +            .borrow()
  > +            .get(&item.extract::<PyBytes>(py)?.data(py).to_owned())
  > +            .is_some())
  
  `.contains_key(..)` and `.as_ref()` instead of `&...to_owned()`.
  
  I'm surprised by the use of Deref in the previous patch. Is it legit
  to leverage Deref to expose the inner type?

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D6394/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D6394

To: Alphare, #hg-reviewers, kevincox
Cc: yuja, durin42, kevincox, mercurial-devel