Differ Rust library

The sequences can be vectors of lines, strings (e.g., words), characters, bytes, or of any custom “item” type so long as it implements the Hash and Eq traits (and uses the same data for both).

For your Cargo.toml add this to the [dependencies] section:

differ = "1.0.2"

If you want to be able to serialize or deserialize Matches, Spans, or Tags, use:

differ = { version = "1.0.2", features = ["use_serde"] }

Then, in your crate root, for Rust 2015 add extern crate differ, and for Rust 2018 or 2021 add use differ.

API documentation (with examples) — Source code: github.

Changes

• 1.0.2 — Rust 2021, no API changes.
• 1.0.1 — Bug fix for new Rust versions.
• 1.0.0 — API now considered stable with no changes planned. The software will be passively maintained (i.e., bug fixes only).
• 0.4.2 — Fixed doc typos.
• 0.4.1 — Fixed doc typo.
• 0.4.0 — Changed the span_for_matches() method to be a function and added a few more tests and did some minor doc improvements. (Note that this crate is now used in private projects which do lots more tests of its functionality than the tests in the source code.)
• 0.3.3 — Can now print Tags using the Display trait (i.e., as “equal”, “replace”, etc.).
• 0.3.2 — Can now optionally support serde for Matches, Spans, and Tags.
• 0.3.1 — Tiny tidy-ups.
• 0.3.0 — First public release. (The code had already been in use for almost a year in private projects.)

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