Latest Results
Update Rust crate similar to v3 (#18991)
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [similar](https://redirect.github.com/mitsuhiko/similar) |
workspace.dependencies | major | `2.6.0` → `3.0.0` |
---
### Release Notes
<details>
<summary>mitsuhiko/similar (similar)</summary>
###
[`v3.1.0`](https://redirect.github.com/mitsuhiko/similar/blob/HEAD/CHANGELOG.md#310)
[Compare
Source](https://redirect.github.com/mitsuhiko/similar/compare/3.0.0...3.1.0)
- Added `capture_diff_slices_by_key` and
`capture_diff_slices_by_key_deadline`
as convenience helpers for diffing slices by derived keys.
- Fixed `Compact` emitting inconsistent `DiffOp` cursor positions after
compaction, which could leave `Delete`/`Insert` operations with stale
`new_index`/`old_index` values.
- Added explicit lifetime capture (`+ use<...>`) on iterator-returning
APIs to
improve compatibility with Rust 2024 lifetime capture behavior.
[#​93](https://redirect.github.com/mitsuhiko/similar/issues/93)
###
[`v3.0.0`](https://redirect.github.com/mitsuhiko/similar/blob/HEAD/CHANGELOG.md#300)
[Compare
Source](https://redirect.github.com/mitsuhiko/similar/compare/2.7.0...3.0.0)
- Added a Git-style Histogram diff implementation exposed as
`Algorithm::Histogram`, including deadline-aware Myers fallback and
comprehensive regression/behavior tests.
- Raised MSRV to Rust 1.85 and moved the crate to Rust 2024 edition.
- Added a Hunt-style diff implementation exposed as `Algorithm::Hunt`.
- Added configurable inline refinement via `InlineChangeOptions` and
`InlineChangeMode`, including semantic cleanup and new
`TextDiff::iter_inline_changes_with_options*` methods.
[#​92](https://redirect.github.com/mitsuhiko/similar/issues/92)
- Added a global disjoint-input fast path in `algorithms::diff_deadline`
to avoid pathological runtimes on large, fully distinct inputs.
- Improved `Algorithm::Myers` performance on heavily unbalanced diffs to
avoid pathological slowdowns.
- Added `diff_deadline_raw` entrypoints in the algorithm modules to
bypass
shared heuristics and keep minimal intrinsic trait bounds where needed.
- Added test files in `examples/diffs` that can be used with the some of
the
examples as input pairs.
- Added `CachedLookup`, a helper for adapting virtual or computed
sequences by
materializing items on first access and then serving borrowed values
through
normal indexing. The `owned-lookup` example demonstrates this approach
for
issue
[#​33](https://redirect.github.com/mitsuhiko/similar/issues/33).
- Fixed ranged indexing in the classic LCS table algorithm.
- Improved diff compaction to merge adjacent delete hunks across equal
runs.
- Excluded development scripts from published crate contents.
[#​87](https://redirect.github.com/mitsuhiko/similar/issues/87)
- `TextDiff::from_*` and `TextDiffConfig::diff_*` now accept owned
inputs
(`String`, `Vec<u8>`, `Cow`) in addition to borrowed inputs. This allows
returning text diffs from functions without external owner lifetimes.
[#​65](https://redirect.github.com/mitsuhiko/similar/issues/65)
- `TextDiff` no longer exposes `old_slices` / `new_slices`. Use
`old_len`, `new_len`, `old_slice`, `new_slice`, `iter_old_slices`,
`iter_new_slices`, `old_lookup`, and `new_lookup` instead.
- `TextDiff::iter_changes` now panics on invalid out-of-bounds `DiffOp`
ranges instead of silently truncating iteration.
- `utils::diff_lines_inline` now takes `&TextDiff` and options rather
than
`(Algorithm, old, new, options)`.
- `utils::diff_lines` now avoids a second line-tokenization pass.
- Renamed `get_diff_ratio` to `diff_ratio`.
- Added first-class `no_std + alloc` support with an explicit default
`std`
feature.
- Added optional `hashbrown` backend for `no_std` map storage
(`default-features = false, features = ["hashbrown"]`), while the
default
`no_std` backend uses `alloc::collections::BTreeMap`.
- Made core constructors const-ready (`Capture::new`, `Replace::new`,
`NoFinishHook::new`, `InlineChangeOptions::new`, `TextDiff::configure`).
</details>
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