[Commented On] D10555: rust: Remove handling of `parents` in `DirstateMap`

[SimonSapin]

SimonSapin added a comment.


  We are removing support in hg-core’s `DirstateMap` for reading //only// parents from disk. (The logic for this still exists in `hg_core::dirstate::parsers::parse_dirstate_parents`) With this changset and the next, creating a `DirstateMap` means reading the entire dirstate from disk.
  
  Reading the entire dirstate returns a `DirstateParents` to the caller. (This hasn’t changed.) Serializing an entire dirstate requires the caller to provide a `DirstateParents`. (This also hasn’t changed).

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D10555/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D10555

To: SimonSapin, #hg-reviewers
Cc: Alphare, mercurial-patches
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