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internal: replace difference with diff #52

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merged 1 commit into from Feb 13, 2021

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@tommilligan tommilligan commented Feb 13, 2021

For #44

This PR replaces the internal use of difference with the diff library, which is well used and tested.

While the library has not been updated in over a year, the maintainer is still very active online and has stated the lack of updates is just that they don't have any more features to add.

The current benchmark suite shows this branch as equal to or slightly more performant than main. This is significantly better than an alternative implementation using similar (#51).

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@tommilligan tommilligan self-assigned this Feb 13, 2021
@tommilligan tommilligan merged commit a34fc85 into rust-pretty-assertions:main Feb 13, 2021
@tommilligan tommilligan deleted the rewrite-diff branch February 19, 2021 23:36
bors bot added a commit to jonasbb/serde_with that referenced this pull request Mar 13, 2021
279: Update pretty_assertions requirement from 0.6.1 to 0.7.1 r=jonasbb a=dependabot[bot]

Updates the requirements on [pretty_assertions](https://github.com/colin-kiegel/rust-pretty-assertions) to permit the latest version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/colin-kiegel/rust-pretty-assertions/releases">pretty_assertions's releases</a>.</em></p>
<blockquote>
<h2>v0.7.1</h2>
<h2>Fixed</h2>
<ul>
<li>Fix a bug where multiline changes showed an unhelpful inline diff (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/66">#66</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/colin-kiegel/rust-pretty-assertions/blob/main/CHANGELOG.md">pretty_assertions's changelog</a>.</em></p>
<blockquote>
<h1>v0.7.1</h1>
<ul>
<li>Fix a bug where multiline changes showed an unhelpful inline diff (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/66">#66</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<h1>v0.7.0</h1>
<h2>Changed</h2>
<ul>
<li>Move from <code>difference</code> to <code>diff</code> for calculating diffs. The exact assertion messages generated may differ from previous versions. (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/52">#52</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<p>For example, the following assertion message from <code>v0.7.0</code>:</p>
<p><img src="https://raw.githubusercontent.com/colin-kiegel/rust-pretty-assertions/2d2357ff56d22c51a86b2f1cfe6efcee9f5a8081/examples/pretty_assertion.png" alt="pretty assertion" /></p>
<p>Was previously rendered like this in <code>v0.6.1</code>:</p>
<p><img src="https://raw.githubusercontent.com/colin-kiegel/rust-pretty-assertions/2d2357ff56d22c51a86b2f1cfe6efcee9f5a8081/examples/pretty_assertion_v0_6_1.png" alt="pretty assertion" /></p>
<h2>Added</h2>
<ul>
<li>Support for unsized values (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/42">#42</a>, <a href="https://github.com/stanislav-tkach"><code>@​stanislav-tkach</code></a>)</li>
<li>Document the <code>Comparison</code> struct, which was previously hidden. This can be used to generate a pretty diff of two values without panicking. (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/52">#52</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<h2>Fixed</h2>
<ul>
<li>Fix some unhygenic macro expansions (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/41">#41</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<h2>Internal</h2>
<ul>
<li>Test Windows targets in CI (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/46">#46</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
<li>Bump <code>ansi_term</code> version to 0.12 (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/34">#34</a>, <a href="https://github.com/waywardmonkeys"><code>@​waywardmonkeys</code></a>)</li>
<li>Code health improvements (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/34">#34</a>, <a href="https://github.com/waywardmonkeys"><code>@​waywardmonkeys</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/2667441b0edb3322eab7d7779a3a96c280414ddf"><code>2667441</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/68">#68</a> from tommilligan/prep-v0.7.1</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/6dde470f579a2bf88251a6e4eb1a691be3d19920"><code>6dde470</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/67">#67</a> from tommilligan/ci-revert-cargo-target-dir</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/b517e396dbbce136a27756732080a1a592e74eca"><code>b517e39</code></a> chore: prepare for v0.7.1</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/fdff5f32f967a171cbb59dbb18e814532bf594a5"><code>fdff5f3</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/66">#66</a> from tommilligan/chunk-diffing</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/62e93575ffc081c36f779da188057a51df555734"><code>62e9357</code></a> Revert &quot;ci: remove concern with CARGO_TARGET_DIR&quot;</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/8f7d7a5ee00a2e36885fc016fb13e91c062dd7ae"><code>8f7d7a5</code></a> printer: do not print inline diff for multiline insert/delete chunks</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/083ce2ebe4892fb219f36beb764065920de0f96b"><code>083ce2e</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/65">#65</a> from tommilligan/ci-rm-cargo-target-dir</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/56a0aaa6185e2e5db46aef54fb61a4388f89943f"><code>56a0aaa</code></a> ci: remove concern with CARGO_TARGET_DIR</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/7f6ae17e0046d1ddb55291cf7ea7064c8630fbf5"><code>7f6ae17</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/63">#63</a> from tommilligan/update-gitignore</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/ccb2e45112471740a61ce82565ab5ffe916c6d3d"><code>ccb2e45</code></a> ci: update gitignore</li>
<li>Additional commits viewable in <a href="https://github.com/colin-kiegel/rust-pretty-assertions/compare/v0.6.1...v0.7.1">compare view</a></li>
</ul>
</details>
<br />


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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
bors bot added a commit to jonasbb/rust_misc_utils that referenced this pull request Mar 13, 2021
62: Update pretty_assertions requirement from 0.6 to 0.7 r=jonasbb a=dependabot[bot]

Updates the requirements on [pretty_assertions](https://github.com/colin-kiegel/rust-pretty-assertions) to permit the latest version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/colin-kiegel/rust-pretty-assertions/releases">pretty_assertions's releases</a>.</em></p>
<blockquote>
<h2>v0.7.1</h2>
<h2>Fixed</h2>
<ul>
<li>Fix a bug where multiline changes showed an unhelpful inline diff (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/66">#66</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/colin-kiegel/rust-pretty-assertions/blob/main/CHANGELOG.md">pretty_assertions's changelog</a>.</em></p>
<blockquote>
<h1>v0.7.1</h1>
<ul>
<li>Fix a bug where multiline changes showed an unhelpful inline diff (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/66">#66</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<h1>v0.7.0</h1>
<h2>Changed</h2>
<ul>
<li>Move from <code>difference</code> to <code>diff</code> for calculating diffs. The exact assertion messages generated may differ from previous versions. (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/52">#52</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<p>For example, the following assertion message from <code>v0.7.0</code>:</p>
<p><img src="https://raw.githubusercontent.com/colin-kiegel/rust-pretty-assertions/2d2357ff56d22c51a86b2f1cfe6efcee9f5a8081/examples/pretty_assertion.png" alt="pretty assertion" /></p>
<p>Was previously rendered like this in <code>v0.6.1</code>:</p>
<p><img src="https://raw.githubusercontent.com/colin-kiegel/rust-pretty-assertions/2d2357ff56d22c51a86b2f1cfe6efcee9f5a8081/examples/pretty_assertion_v0_6_1.png" alt="pretty assertion" /></p>
<h2>Added</h2>
<ul>
<li>Support for unsized values (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/42">#42</a>, <a href="https://github.com/stanislav-tkach"><code>@​stanislav-tkach</code></a>)</li>
<li>Document the <code>Comparison</code> struct, which was previously hidden. This can be used to generate a pretty diff of two values without panicking. (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/52">#52</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<h2>Fixed</h2>
<ul>
<li>Fix some unhygenic macro expansions (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/41">#41</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
</ul>
<h2>Internal</h2>
<ul>
<li>Test Windows targets in CI (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/46">#46</a>, <a href="https://github.com/tommilligan"><code>@​tommilligan</code></a>)</li>
<li>Bump <code>ansi_term</code> version to 0.12 (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/34">#34</a>, <a href="https://github.com/waywardmonkeys"><code>@​waywardmonkeys</code></a>)</li>
<li>Code health improvements (<a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/34">#34</a>, <a href="https://github.com/waywardmonkeys"><code>@​waywardmonkeys</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/2667441b0edb3322eab7d7779a3a96c280414ddf"><code>2667441</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/68">#68</a> from tommilligan/prep-v0.7.1</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/6dde470f579a2bf88251a6e4eb1a691be3d19920"><code>6dde470</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/67">#67</a> from tommilligan/ci-revert-cargo-target-dir</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/b517e396dbbce136a27756732080a1a592e74eca"><code>b517e39</code></a> chore: prepare for v0.7.1</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/fdff5f32f967a171cbb59dbb18e814532bf594a5"><code>fdff5f3</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/66">#66</a> from tommilligan/chunk-diffing</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/62e93575ffc081c36f779da188057a51df555734"><code>62e9357</code></a> Revert &quot;ci: remove concern with CARGO_TARGET_DIR&quot;</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/8f7d7a5ee00a2e36885fc016fb13e91c062dd7ae"><code>8f7d7a5</code></a> printer: do not print inline diff for multiline insert/delete chunks</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/083ce2ebe4892fb219f36beb764065920de0f96b"><code>083ce2e</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/65">#65</a> from tommilligan/ci-rm-cargo-target-dir</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/56a0aaa6185e2e5db46aef54fb61a4388f89943f"><code>56a0aaa</code></a> ci: remove concern with CARGO_TARGET_DIR</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/7f6ae17e0046d1ddb55291cf7ea7064c8630fbf5"><code>7f6ae17</code></a> Merge pull request <a href="https://github.com/colin-kiegel/rust-pretty-assertions/issues/63">#63</a> from tommilligan/update-gitignore</li>
<li><a href="https://github.com/colin-kiegel/rust-pretty-assertions/commit/ccb2e45112471740a61ce82565ab5ffe916c6d3d"><code>ccb2e45</code></a> ci: update gitignore</li>
<li>Additional commits viewable in <a href="https://github.com/colin-kiegel/rust-pretty-assertions/compare/v0.6.0...v0.7.1">compare view</a></li>
</ul>
</details>
<br />


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