tokio-stream: WatchStream: yield the current value #3576

krallin · 2021-03-04T12:16:16Z

This updates WatchStream to always yield the current value before waiting
for updates. This makes it possible to use it as a drop-in replacement
for watch::Receiver when updating a Tokio 0.2 application.

There is one caveat here, which is that we can't tell if the sender was
used before. This means we might yield the current value twice if it was
(because reading what we think is the initial value doesn't increment
the watcher).

I don't think there really is a way to fix this without changing the API
of Receiver, so for now I went with documenting it. Let me know what you
think.

More context: #3575

This udptes WatchStream to always yield the current value before waiting for updates. This makes it possible to use it as a drop-in replacement for watch::Receiver when updating a Tokio 0.2 application. There is one caveat here, which is that we can't tell if the sender was used before. This means we might yield the current value twice if it was (because reading what we think is the initial value doesn't increment the watcher). I don't think there really is a way to fix this without changing the API of Receiver, so for now I went with documenting it. Let me know what you think. More context: tokio-rs#3575

tokio-stream/src/wrappers/watch.rs

Darksonn · 2021-03-04T17:14:45Z

tokio-stream/src/wrappers/watch.rs

+/// tx.send("goodbye").unwrap();
+/// let mut rx = WatchStream::new(rx);


I think it would make sense to swap these lines.

Sure — done!

Darksonn · 2021-03-04T17:16:21Z

The build failure on CI / cross (arm-linux-androideabi) is not your fault. You can ignore it.

Darksonn

Thanks this looks good to me!

I need to figure out how to fix CI, then I will merge it.

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(truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/2c3fe6b64641cfb57eb0e1d428274f63976ec150"><code>2c3fe6b</code></a> Release 0.8.0</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/64f5f9c6f597f674db5a1e7ce57b1fc12931f764"><code>64f5f9c</code></a> Allow confirm with no choice (<a href="https://github.com/mitsuhiko/dialoguer/issues/101">#101</a>)</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/0250090f95cfe8c0ac0b484099fef5b7a57373ea"><code>0250090</code></a> Update some docs in confirm prompt</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/a76fb72c548d4cdb89e5cbb2172d10754c6d5976"><code>a76fb72</code></a> Merge pull request <a href="https://github.com/mitsuhiko/dialoguer/issues/102">#102</a> from spenserblack/typo-fix</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/3dd93bb75a9a606b2e245913df74a105ab2c8ed4"><code>3dd93bb</code></a> Fix typo: ereased -> erased</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/7ea6275caaa964b1cf64a3572dcb2b66b8f5c0fb"><code>7ea6275</code></a> Update CI for i686 ubuntu</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/af664807dad6c5dc28e030eef5e0b1c2c964e63d"><code>af66480</code></a> Allow FnMut for validate (<a href="https://github.com/mitsuhiko/dialoguer/issues/96">#96</a>)</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/2b5722d0f5e1135e5715de54157fd4a7785a52d6"><code>2b5722d</code></a> Update README.md</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/2df3a705ebbdd2b89fdf18bdaecc85872876c4bd"><code>2df3a70</code></a> Update ci.yml</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/8cebf522b3f522f1fc28053ba60ace8c79947f36"><code>8cebf52</code></a> Merge pull request <a href="https://github.com/mitsuhiko/dialoguer/issues/94">#94</a> from mitsuhiko/remove-travis</li> <li>Additional commits viewable in <a href="https://github.com/mitsuhiko/dialoguer/compare/0.7.1...0.8.0">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=dialoguer&package-manager=cargo&previous-version=0.7.1&new-version=0.8.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) </details> 331: Bump tokio from 1.0.2 to 1.3.0 r=thomaseizinger a=dependabot[bot] Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.0.2 to 1.3.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/tokio-rs/tokio/releases">tokio's releases</a>.</em></p> <blockquote> <h2>Tokio v1.3.0</h2> <h3>Added</h3> <ul> <li>coop: expose an <code>unconstrained()</code> opt-out (<a href="https://github.com/tokio-rs/tokio/issues/3547">#3547</a>)</li> <li>net: add <code>into_std</code> for net types without it (<a href="https://github.com/tokio-rs/tokio/issues/3509">#3509</a>)</li> <li>sync: add <code>same_channel</code> method to <code>mpsc::Sender</code> (<a href="https://github.com/tokio-rs/tokio/issues/3532">#3532</a>)</li> <li>sync: add <code>{try_,}acquire_many_owned</code> to <code>Semaphore</code> (<a href="https://github.com/tokio-rs/tokio/issues/3535">#3535</a>)</li> <li>sync: add back <code>RwLockWriteGuard::map</code> and <code>RwLockWriteGuard::try_map</code> (<a href="https://github.com/tokio-rs/tokio/issues/3348">#3348</a>)</li> </ul> <h3>Fixed</h3> <ul> <li>sync: allow <code>oneshot::Receiver::close</code> after successful <code>try_recv</code> (<a href="https://github.com/tokio-rs/tokio/issues/3552">#3552</a>)</li> <li>time: do not panic on <code>timeout(Duration::MAX)</code> (<a href="https://github.com/tokio-rs/tokio/issues/3551">#3551</a>)</li> </ul> <h3>Documented</h3> <ul> <li>doc: doc aliases for pre-1.0 function names (<a href="https://github.com/tokio-rs/tokio/issues/3523">#3523</a>)</li> <li>io: fix typos (<a href="https://github.com/tokio-rs/tokio/issues/3541">#3541</a>)</li> <li>io: note the EOF behaviour of <code>read_until</code> (<a href="https://github.com/tokio-rs/tokio/issues/3536">#3536</a>)</li> <li>io: update <code>AsyncRead::poll_read</code> doc (<a href="https://github.com/tokio-rs/tokio/issues/3557">#3557</a>)</li> <li>net: update <code>UdpSocket</code> splitting doc (<a href="https://github.com/tokio-rs/tokio/issues/3517">#3517</a>)</li> <li>runtime: add link to <code>LocalSet</code> on <code>new_current_thread</code> (<a href="https://github.com/tokio-rs/tokio/issues/3508">#3508</a>)</li> <li>runtime: update documentation of thread limits (<a href="https://github.com/tokio-rs/tokio/issues/3527">#3527</a>)</li> <li>sync: do not recommend <code>join_all</code> for <code>Barrier</code> (<a href="https://github.com/tokio-rs/tokio/issues/3514">#3514</a>)</li> <li>sync: documentation for <code>oneshot</code> (<a href="https://github.com/tokio-rs/tokio/issues/3592">#3592</a>)</li> <li>sync: rename <code>notify</code> to <code>notify_one</code> (<a href="https://github.com/tokio-rs/tokio/issues/3526">#3526</a>)</li> <li>time: fix typo in <code>Sleep</code> doc (<a href="https://github.com/tokio-rs/tokio/issues/3515">#3515</a>)</li> <li>time: sync <code>interval.rs</code> and <code>time/mod.rs</code> docs (<a href="https://github.com/tokio-rs/tokio/issues/3533">#3533</a>)</li> </ul> <h2>Tokio v1.2.0</h2> <h3>Added</h3> <ul> <li>signal: make <code>Signal::poll_recv</code> method public (<a href="https://github.com/tokio-rs/tokio/issues/3383">#3383</a>)</li> </ul> <h3>Fixed</h3> <ul> <li>time: make <code>test-util</code> paused time fully deterministic (<a href="https://github.com/tokio-rs/tokio/issues/3492">#3492</a>)</li> </ul> <h3>Documented</h3> <ul> <li>sync: link to new broadcast and watch wrappers (<a href="https://github.com/tokio-rs/tokio/issues/3504">#3504</a>)</li> </ul> <h2>Tokio v1.1.1</h2> <p>Forward ports 1.0.3 fix.</p> <h3>Fixed</h3> <ul> <li>io: memory leak during shutdown (<a href="https://github.com/tokio-rs/tokio/issues/3477">#3477</a>).</li> </ul> <h2>Tokio v1.1.0</h2> <h3>Added</h3>  </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/tokio-rs/tokio/commit/d0e4dd1d7ba8938cda3bf163b86d78ec16e2ee06"><code>d0e4dd1</code></a> chore: prepare Tokio v1.3.0 (<a href="https://github.com/tokio-rs/tokio/issues/3597">#3597</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/872bc09e837f63cfa1b0907fc16d3e21be6630ac"><code>872bc09</code></a> examples: update chat example (<a href="https://github.com/tokio-rs/tokio/issues/3587">#3587</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/db1d90453c04740176c354002b56da6f8cb30f2c"><code>db1d904</code></a> util: fuse PollSemaphore (<a href="https://github.com/tokio-rs/tokio/issues/3578">#3578</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/05eeea570e69f78b5937e807272551bc3075c073"><code>05eeea5</code></a> coop: expose an unconstrained() opt-out (<a href="https://github.com/tokio-rs/tokio/issues/3547">#3547</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/f70b9b84f7ac9c18b9b64ca52d3b4b594333b8e3"><code>f70b9b8</code></a> sync: documenation for oneshot (<a href="https://github.com/tokio-rs/tokio/issues/3592">#3592</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/704de8c01b331c2651c0cdb0d5ec6b0657e14344"><code>704de8c</code></a> stream: remove duplicate <code>doc(test(..))</code> & <code>cfg_attr</code> declarations (<a href="https://github.com/tokio-rs/tokio/issues/3571">#3571</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/47be928444babf84507a69ac42bb9c9447c78672"><code>47be928</code></a> sync: yield initial value in WatchStream (<a href="https://github.com/tokio-rs/tokio/issues/3576">#3576</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/e06b257e09b8ca1def4a3537a4448a31f2ede388"><code>e06b257</code></a> sync: add same_channel method to mpsc Senders (<a href="https://github.com/tokio-rs/tokio/issues/3532">#3532</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/0867a6fc0313b7ce0483e55956ebb0b2857a9a23"><code>0867a6f</code></a> util: add pollable mpsc::Sender (<a href="https://github.com/tokio-rs/tokio/issues/3490">#3490</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/0d838bf5ade7509e622559458a367cca65133f06"><code>0d838bf</code></a> io: fix link to std src in util (<a href="https://github.com/tokio-rs/tokio/issues/3568">#3568</a>)</li> <li>Additional commits viewable in <a href="https://github.com/tokio-rs/tokio/compare/tokio-1.0.2...tokio-1.3.0">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=tokio&package-manager=cargo&previous-version=1.0.2&new-version=1.3.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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327: Bump actions/setup-python from v1 to v2.2.1 r=thomaseizinger a=dependabot[bot] Bumps [actions/setup-python](https://github.com/actions/setup-python) from v1 to v2.2.1. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/actions/setup-python/releases">actions/setup-python's releases</a>.</em></p> <blockquote> <h2>v2.2.1</h2> <ul> <li>Fix PyPy3 issues with Windows</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/actions/setup-python/commit/3105fb18c05ddd93efea5f9e0bef7a03a6e9e7df"><code>3105fb1</code></a> fix is_windows (<a href="https://github.com/actions/setup-python/issues/172">#172</a>)</li> <li><a href="https://github.com/actions/setup-python/commit/8c5ea631b2b2d5d8840cf4a2b183a8a0edc1e40d"><code>8c5ea63</code></a> Adding support for more PyPy versions and installing them on-flight (<a href="https://github.com/actions/setup-python/issues/168">#168</a>)</li> <li><a href="https://github.com/actions/setup-python/commit/2831efe49a72a829fb30b0b3e668563482fd8b9a"><code>2831efe</code></a> Improve find-python to add "Scripts" folder to PATH on Windows machines (<a href="https://github.com/actions/setup-python/issues/169">#169</a>)</li> <li><a href="https://github.com/actions/setup-python/commit/3b3f2de1b1f7c1270fc5b9c37a904fa785e9ae94"><code>3b3f2de</code></a> update pypy3 to point to 3.6 (<a href="https://github.com/actions/setup-python/issues/164">#164</a>)</li> <li><a href="https://github.com/actions/setup-python/commit/723e46dad7a73e33ab89ea319f9e3e831cd23e62"><code>723e46d</code></a> CODEOWNERS needs the org name for teams</li> <li><a href="https://github.com/actions/setup-python/commit/195f5c388bc8d0f1c6a942ce7ce156a3124a50a5"><code>195f5c3</code></a> Create CODEOWNERS</li> <li><a href="https://github.com/actions/setup-python/commit/41b7212b1668f5de9d65e9c82aa777e6bbedb3a8"><code>41b7212</code></a> Update README.md (<a href="https://github.com/actions/setup-python/issues/145">#145</a>)</li> <li><a href="https://github.com/actions/setup-python/commit/878156f1deda8836af6aca53d02b078285bdf154"><code>878156f</code></a> Inject LD_LIBRARY_PATH library path into Python manifest install and setup (#...</li> <li><a href="https://github.com/actions/setup-python/commit/c181ffa198a1248f902bc2f7965d2f9a36c2d7f6"><code>c181ffa</code></a> Add Environment Files (<a href="https://github.com/actions/setup-python/issues/138">#138</a>)</li> <li><a href="https://github.com/actions/setup-python/commit/1ce870e10f77260f56ad4fa2fe2b38d6f7314078"><code>1ce870e</code></a> Fix links in documentation (<a href="https://github.com/actions/setup-python/issues/135">#135</a>)</li> <li>Additional commits viewable in <a href="https://github.com/actions/setup-python/compare/v1...3105fb18c05ddd93efea5f9e0bef7a03a6e9e7df">compare view</a></li> </ul> </details> <br /> Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) </details> 330: Bump dialoguer from 0.7.1 to 0.8.0 r=thomaseizinger a=dependabot[bot] Bumps [dialoguer](https://github.com/mitsuhiko/dialoguer) from 0.7.1 to 0.8.0. <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/mitsuhiko/dialoguer/blob/master/CHANGELOG.md">dialoguer's changelog</a>.</em></p> <blockquote> <h2>0.8.0</h2> <h3>Enhancements</h3> <ul> <li><code>Input::validate_with</code> can take a <code>FnMut</code> (allowing multiple references)</li> </ul> <h3>Breaking</h3> <ul> <li><code>Input::interact*</code> methods take <code>&mut self</code> instead of <code>&self</code></li> </ul> <h2>0.7.0</h2> <h3>Enhancements</h3> <ul> <li>Added <code>wait_for_newline</code> to <code>Confirm</code></li> <li>More secure password prompt</li> <li>More documentation</li> <li>Added <code>interact_text</code> method for input prompt</li> <li>Added <code>inline_selections</code> to <code>ColorfulTheme</code></li> </ul> <h3>Breaking</h3> <ul> <li>Removed <code>theme::CustomPromptCharacterTheme</code></li> <li><code>Input</code> validators now take the input type <code>T</code> as arg</li> <li><code>Confirm</code> has no <code>default</code> value by default now</li> </ul> <h2>0.6.2</h2> <h3>Enhancements</h3> <ul> <li>Updating some docs</li> </ul> <h2>0.6.1</h2> <h3>Bugfixes</h3> <ul> <li><code>theme::ColorfulTheme</code> default styles are for stderr</li> </ul> <h2>0.6.0</h2> <h3>Breaking</h3> <ul> <li>Removed <code>theme::SelectionStyle</code> enum</li> <li>Allowed more customization for <code>theme::Theme</code> trait by changing methods</li> <li>Allowed more customization for <code>theme::ColorfulTheme</code> by changing members</li> <li>Renamed prompt <code>Confirmation</code> to <code>Confirm</code></li> <li>Renamed prompt <code>PasswordInput</code> to <code>Password</code></li> <li>Renamed prompt <code>OrderList</code> to <code>Sort</code></li> <li>Renamed prompt <code>Checkboxes</code> to <code>MultiSelect</code></li> </ul>  </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/2c3fe6b64641cfb57eb0e1d428274f63976ec150"><code>2c3fe6b</code></a> Release 0.8.0</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/64f5f9c6f597f674db5a1e7ce57b1fc12931f764"><code>64f5f9c</code></a> Allow confirm with no choice (<a href="https://github.com/mitsuhiko/dialoguer/issues/101">#101</a>)</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/0250090f95cfe8c0ac0b484099fef5b7a57373ea"><code>0250090</code></a> Update some docs in confirm prompt</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/a76fb72c548d4cdb89e5cbb2172d10754c6d5976"><code>a76fb72</code></a> Merge pull request <a href="https://github.com/mitsuhiko/dialoguer/issues/102">#102</a> from spenserblack/typo-fix</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/3dd93bb75a9a606b2e245913df74a105ab2c8ed4"><code>3dd93bb</code></a> Fix typo: ereased -> erased</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/7ea6275caaa964b1cf64a3572dcb2b66b8f5c0fb"><code>7ea6275</code></a> Update CI for i686 ubuntu</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/af664807dad6c5dc28e030eef5e0b1c2c964e63d"><code>af66480</code></a> Allow FnMut for validate (<a href="https://github.com/mitsuhiko/dialoguer/issues/96">#96</a>)</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/2b5722d0f5e1135e5715de54157fd4a7785a52d6"><code>2b5722d</code></a> Update README.md</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/2df3a705ebbdd2b89fdf18bdaecc85872876c4bd"><code>2df3a70</code></a> Update ci.yml</li> <li><a href="https://github.com/mitsuhiko/dialoguer/commit/8cebf522b3f522f1fc28053ba60ace8c79947f36"><code>8cebf52</code></a> Merge pull request <a href="https://github.com/mitsuhiko/dialoguer/issues/94">#94</a> from mitsuhiko/remove-travis</li> <li>Additional commits viewable in <a href="https://github.com/mitsuhiko/dialoguer/compare/0.7.1...0.8.0">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=dialoguer&package-manager=cargo&previous-version=0.7.1&new-version=0.8.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) </details> 331: Bump tokio from 1.0.2 to 1.3.0 r=thomaseizinger a=dependabot[bot] Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.0.2 to 1.3.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/tokio-rs/tokio/releases">tokio's releases</a>.</em></p> <blockquote> <h2>Tokio v1.3.0</h2> <h3>Added</h3> <ul> <li>coop: expose an <code>unconstrained()</code> opt-out (<a href="https://github.com/tokio-rs/tokio/issues/3547">#3547</a>)</li> <li>net: add <code>into_std</code> for net types without it (<a href="https://github.com/tokio-rs/tokio/issues/3509">#3509</a>)</li> <li>sync: add <code>same_channel</code> method to <code>mpsc::Sender</code> (<a href="https://github.com/tokio-rs/tokio/issues/3532">#3532</a>)</li> <li>sync: add <code>{try_,}acquire_many_owned</code> to <code>Semaphore</code> (<a href="https://github.com/tokio-rs/tokio/issues/3535">#3535</a>)</li> <li>sync: add back <code>RwLockWriteGuard::map</code> and <code>RwLockWriteGuard::try_map</code> (<a href="https://github.com/tokio-rs/tokio/issues/3348">#3348</a>)</li> </ul> <h3>Fixed</h3> <ul> <li>sync: allow <code>oneshot::Receiver::close</code> after successful <code>try_recv</code> (<a href="https://github.com/tokio-rs/tokio/issues/3552">#3552</a>)</li> <li>time: do not panic on <code>timeout(Duration::MAX)</code> (<a href="https://github.com/tokio-rs/tokio/issues/3551">#3551</a>)</li> </ul> <h3>Documented</h3> <ul> <li>doc: doc aliases for pre-1.0 function names (<a href="https://github.com/tokio-rs/tokio/issues/3523">#3523</a>)</li> <li>io: fix typos (<a href="https://github.com/tokio-rs/tokio/issues/3541">#3541</a>)</li> <li>io: note the EOF behaviour of <code>read_until</code> (<a href="https://github.com/tokio-rs/tokio/issues/3536">#3536</a>)</li> <li>io: update <code>AsyncRead::poll_read</code> doc (<a href="https://github.com/tokio-rs/tokio/issues/3557">#3557</a>)</li> <li>net: update <code>UdpSocket</code> splitting doc (<a href="https://github.com/tokio-rs/tokio/issues/3517">#3517</a>)</li> <li>runtime: add link to <code>LocalSet</code> on <code>new_current_thread</code> (<a href="https://github.com/tokio-rs/tokio/issues/3508">#3508</a>)</li> <li>runtime: update documentation of thread limits (<a href="https://github.com/tokio-rs/tokio/issues/3527">#3527</a>)</li> <li>sync: do not recommend <code>join_all</code> for <code>Barrier</code> (<a href="https://github.com/tokio-rs/tokio/issues/3514">#3514</a>)</li> <li>sync: documentation for <code>oneshot</code> (<a href="https://github.com/tokio-rs/tokio/issues/3592">#3592</a>)</li> <li>sync: rename <code>notify</code> to <code>notify_one</code> (<a href="https://github.com/tokio-rs/tokio/issues/3526">#3526</a>)</li> <li>time: fix typo in <code>Sleep</code> doc (<a href="https://github.com/tokio-rs/tokio/issues/3515">#3515</a>)</li> <li>time: sync <code>interval.rs</code> and <code>time/mod.rs</code> docs (<a href="https://github.com/tokio-rs/tokio/issues/3533">#3533</a>)</li> </ul> <h2>Tokio v1.2.0</h2> <h3>Added</h3> <ul> <li>signal: make <code>Signal::poll_recv</code> method public (<a href="https://github.com/tokio-rs/tokio/issues/3383">#3383</a>)</li> </ul> <h3>Fixed</h3> <ul> <li>time: make <code>test-util</code> paused time fully deterministic (<a href="https://github.com/tokio-rs/tokio/issues/3492">#3492</a>)</li> </ul> <h3>Documented</h3> <ul> <li>sync: link to new broadcast and watch wrappers (<a href="https://github.com/tokio-rs/tokio/issues/3504">#3504</a>)</li> </ul> <h2>Tokio v1.1.1</h2> <p>Forward ports 1.0.3 fix.</p> <h3>Fixed</h3> <ul> <li>io: memory leak during shutdown (<a href="https://github.com/tokio-rs/tokio/issues/3477">#3477</a>).</li> </ul> <h2>Tokio v1.1.0</h2> <h3>Added</h3>  </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/tokio-rs/tokio/commit/d0e4dd1d7ba8938cda3bf163b86d78ec16e2ee06"><code>d0e4dd1</code></a> chore: prepare Tokio v1.3.0 (<a href="https://github.com/tokio-rs/tokio/issues/3597">#3597</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/872bc09e837f63cfa1b0907fc16d3e21be6630ac"><code>872bc09</code></a> examples: update chat example (<a href="https://github.com/tokio-rs/tokio/issues/3587">#3587</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/db1d90453c04740176c354002b56da6f8cb30f2c"><code>db1d904</code></a> util: fuse PollSemaphore (<a href="https://github.com/tokio-rs/tokio/issues/3578">#3578</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/05eeea570e69f78b5937e807272551bc3075c073"><code>05eeea5</code></a> coop: expose an unconstrained() opt-out (<a href="https://github.com/tokio-rs/tokio/issues/3547">#3547</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/f70b9b84f7ac9c18b9b64ca52d3b4b594333b8e3"><code>f70b9b8</code></a> sync: documenation for oneshot (<a href="https://github.com/tokio-rs/tokio/issues/3592">#3592</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/704de8c01b331c2651c0cdb0d5ec6b0657e14344"><code>704de8c</code></a> stream: remove duplicate <code>doc(test(..))</code> & <code>cfg_attr</code> declarations (<a href="https://github.com/tokio-rs/tokio/issues/3571">#3571</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/47be928444babf84507a69ac42bb9c9447c78672"><code>47be928</code></a> sync: yield initial value in WatchStream (<a href="https://github.com/tokio-rs/tokio/issues/3576">#3576</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/e06b257e09b8ca1def4a3537a4448a31f2ede388"><code>e06b257</code></a> sync: add same_channel method to mpsc Senders (<a href="https://github.com/tokio-rs/tokio/issues/3532">#3532</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/0867a6fc0313b7ce0483e55956ebb0b2857a9a23"><code>0867a6f</code></a> util: add pollable mpsc::Sender (<a href="https://github.com/tokio-rs/tokio/issues/3490">#3490</a>)</li> <li><a href="https://github.com/tokio-rs/tokio/commit/0d838bf5ade7509e622559458a367cca65133f06"><code>0d838bf</code></a> io: fix link to std src in util (<a href="https://github.com/tokio-rs/tokio/issues/3568">#3568</a>)</li> <li>Additional commits viewable in <a href="https://github.com/tokio-rs/tokio/compare/tokio-1.0.2...tokio-1.3.0">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=tokio&package-manager=cargo&previous-version=1.0.2&new-version=1.3.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. 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Darksonn reviewed Mar 4, 2021

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tokio-stream/src/wrappers/watch.rs Outdated Show resolved Hide resolved

dont necessarily return the initial value

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Darksonn added A-tokio-stream Area: The tokio-stream crate M-sync Module: tokio/sync labels Mar 4, 2021

swap lines

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Darksonn merged commit 47be928 into tokio-rs:master Mar 5, 2021

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Prepare tokio-stream v0.1.4 #3598

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build(deps): bump tokio-util from 0.6.3 to 0.6.4 wangandi/materialize#21

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Bump tokio from 1.0.1 to 1.3.0 playlunaria/lunaria#41

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tokio-stream: WatchStream: yield the current value #3576

tokio-stream: WatchStream: yield the current value #3576

krallin commented Mar 4, 2021

Darksonn Mar 4, 2021

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		/// tx.send("goodbye").unwrap();
		/// let mut rx = WatchStream::new(rx);

tokio-stream: WatchStream: yield the current value #3576

tokio-stream: WatchStream: yield the current value #3576

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