Undefined behavior does not just mean that the behavior can be different
on different platforms. It is much worse than that: the runtime behavior
can be completely nonsensical since the whole program has undefined
behavior.
The compiler will optimizer as if there is no undefined behavior and
will can lead to strange situations as the compiler concludes that
things like `a > a + 1000` can never be reached if `a` is a signed 8-bit
value (since reaching it would trigger undefined behavior).
Bumps the patch group in /src/bare-metal/aps/examples with 1 update:
[cc](https://github.com/rust-lang/cc-rs).
Updates `cc` from 1.0.98 to 1.0.99
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Bumps the patch group in /src/exercises/bare-metal/rtc with 1 update:
[cc](https://github.com/rust-lang/cc-rs).
Updates `cc` from 1.0.98 to 1.0.99
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The speaker notes suggest an evolution of the code to support a periodic
timer, but the last step was under-specified.
(As mentioned by @fw-immunant and referenced in #1536)
Bumps the minor group with 1 update:
[tokio](https://github.com/tokio-rs/tokio).
Updates `tokio` from 1.37.0 to 1.38.0
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This PR merges the Japanese (ja) v.2 translation back to main.
This requires just a syntactical review, as the partial PRs into this
branch were reviewed already.
You can skim this PR with the [GitHub CLI](https://cli.github.com/):
gh pr diff 2103 | bat -l patch
#1463#652
---------
Co-authored-by: Kanta Yamaoka (山岡幹太) <49053649+kantasv@users.noreply.github.com>
Co-authored-by: Hidenori Kobayashi <hidenorik@chromium.org>
I've been thinking it'd be simpler to introduce `dyn Trait` via `&dyn
Trait` rather than waiting for the smart pointers section and `Box<dyn
Trait>`. This PR adds a slide to the Generics section that introduces
`&dyn Trait` and compares it to `&impl Trait`, juxtaposing
monomorphization and static dispatch against type-erasure and dynamic
dispatch. I've then updated the existing trait object slide to call back
to the earlier introduction, and call out that using `Box<dyn Trait>`
gives you an owned trait object rather than a borrowed one.
Add a note to the `Copy` slide noting that shared references are `Copy`.
A student asked about this today, and it's something I want to remember
to mention in future classes.
The English contents has changed, leading to untranslated session
outline and schedule because the msgid no longer match the original
contents. Additionally, incorrect file names are listed in the comment.
This PR follow the steps outlined in [Refreshing an Existing
Translation](https://github.com/google/comprehensive-rust/blob/main/TRANSLATIONS.md#refreshing-an-existing-translation)
to refresh the Vietnamese translation file. After the update, some
translated session outlines were no longer appropriated, so this PR also
updates all of them
#1476 issue. Updated the function call(`getCodeFromPlayground`) in
`save-playground.js` file from `pagehide` event to change event in ace
editor.
---------
Co-authored-by: Martin Geisler <mgeisler@google.com>
Bumps the minor group in /src/bare-metal/microcontrollers/examples with
1 update: [nrf52833-hal](https://github.com/nrf-rs/nrf-hal).
Updates `nrf52833-hal` from 0.17.1 to 0.18.0
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/nrf-rs/nrf-hal/blob/master/CHANGELOG.md">nrf52833-hal's
changelog</a>.</em></p>
<blockquote>
<h2>[0.18.0]</h2>
<h3>Breaking changes</h3>
<ul>
<li>Updated <code>nrf-usbd</code> to 0.3.0. (<a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/460">#460</a>)</li>
</ul>
<h3>New features</h3>
<ul>
<li>Added support for nRF52805 (<a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/422">#422</a>).</li>
<li>Added implementation of RTIC <code>Monotonic</code> for RTC and
TIMER, behind new <code>monotonic</code> feature (<a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/427">#427</a>).</li>
</ul>
<p><a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/422">#422</a>:
<a
href="https://redirect.github.com/nrf-rs/nrf-hal/pull/422">nrf-rs/nrf-hal#422</a>
<a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/427">#427</a>:
<a
href="https://redirect.github.com/nrf-rs/nrf-hal/pull/427">nrf-rs/nrf-hal#427</a>
<a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/460">#460</a>:
<a
href="https://redirect.github.com/nrf-rs/nrf-hal/pull/440">nrf-rs/nrf-hal#440</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="997d0bd27a"><code>997d0bd</code></a>
Merge pull request <a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/476">#476</a>
from nrf-rs/release</li>
<li><a
href="bb7aef2593"><code>bb7aef2</code></a>
Prepare for 0.18.0 release.</li>
<li><a
href="090ce0ec9a"><code>090ce0e</code></a>
Merge pull request <a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/427">#427</a>
from Kyrne/master</li>
<li><a
href="4c00992a68"><code>4c00992</code></a>
Use consistent feature name.</li>
<li><a
href="eb8b34a73c"><code>eb8b34a</code></a>
Merge pull request <a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/477">#477</a>
from nrf-rs/buildfix</li>
<li><a
href="ee11451354"><code>ee11451</code></a>
rename user facing feature to rtic-monotonic</li>
<li><a
href="c8bf535d7b"><code>c8bf535</code></a>
Correct docs (<a
href="https://redirect.github.com/nrf-rs/nrf-hal/issues/18">#18</a>)</li>
<li><a
href="3c353da5f0"><code>3c353da</code></a>
Monotonic doesn't build on nrf51 or nrf52832 so remove the feature.</li>
<li><a
href="8eff0e5fc4"><code>8eff0e5</code></a>
Format doc comments and fix typos.</li>
<li><a
href="bb1bb77b30"><code>bb1bb77</code></a>
Fix feature conditions.</li>
<li>Additional commits viewable in <a
href="https://github.com/nrf-rs/nrf-hal/compare/v0.17.1...v0.18.0">compare
view</a></li>
</ul>
</details>
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The example of returning a reference to a local variable doesn't compile
due to a missing lifetime specifier, which isn't what we're trying to
demonstrate with that example. I usually add the lifetime in manually in
order to demonstrate the compiler error, but it occurs to me that if we
make the argument a reference we can sneakily get the correct compiler
error without having to introduce the lifetime syntax.
This PR merges the Chinese Traditional (zh-TW) CR v.2 translation
(Concurrency) back to main.
This requires just a syntactical review, as the partial PRs into this
branch were reviewed already.
You can skim this PR with the [GitHub CLI](https://cli.github.com/):
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---------
Co-authored-by: Victor Hsieh <victorhsieh@gmail.com>
Co-authored-by: Ming-Ying Chung <itsmings@gmail.com>
Co-authored-by: Jonathan Hao <johnathan79717@gmail.com>
Bumps the minor group with 1 update:
[pulldown-cmark](https://github.com/raphlinus/pulldown-cmark).
Updates `pulldown-cmark` from 0.10.3 to 0.11.0
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Bumps the patch group in /src/exercises/bare-metal/rtc with 1 update:
[cc](https://github.com/rust-lang/cc-rs).
Updates `cc` from 1.0.97 to 1.0.98
<details>
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<blockquote>
<h2>1.0.98</h2>
<h2>What's Changed</h2>
<ul>
<li>Cleanup some deprecated, unused allows by <a
href="https://github.com/klensy"><code>@klensy</code></a> in <a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1067">rust-lang/cc-rs#1067</a></li>
<li>Fix paths on Mac Catalyst by <a
href="https://github.com/madsmtm"><code>@madsmtm</code></a> in <a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1070">rust-lang/cc-rs#1070</a></li>
<li>Fix detect_compiler_family.c not being created by <a
href="https://github.com/Jake-Shadle"><code>@Jake-Shadle</code></a> in
<a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1072">rust-lang/cc-rs#1072</a></li>
<li>Release cc 1.0.98 by <a
href="https://github.com/NobodyXu"><code>@NobodyXu</code></a> in <a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1073">rust-lang/cc-rs#1073</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/klensy"><code>@klensy</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1067">rust-lang/cc-rs#1067</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/rust-lang/cc-rs/compare/1.0.97...1.0.98">https://github.com/rust-lang/cc-rs/compare/1.0.97...1.0.98</a></p>
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</details>
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<li><a
href="3ba23569a6"><code>3ba2356</code></a>
Release cc 1.0.98 (<a
href="https://redirect.github.com/rust-lang/cc-rs/issues/1073">#1073</a>)</li>
<li><a
href="8f6d07f825"><code>8f6d07f</code></a>
Fix detect_compiler_family.c not being created (<a
href="https://redirect.github.com/rust-lang/cc-rs/issues/1072">#1072</a>)</li>
<li><a
href="61b81c8b4c"><code>61b81c8</code></a>
Fix paths on Mac Catalyst (<a
href="https://redirect.github.com/rust-lang/cc-rs/issues/1070">#1070</a>)</li>
<li><a
href="b7455eb81c"><code>b7455eb</code></a>
Cleanup some deprecated, unused allows (<a
href="https://redirect.github.com/rust-lang/cc-rs/issues/1067">#1067</a>)</li>
<li>See full diff in <a
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Bumps the patch group in /src/bare-metal/aps/examples with 1 update:
[cc](https://github.com/rust-lang/cc-rs).
Updates `cc` from 1.0.97 to 1.0.98
<details>
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<blockquote>
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<h2>What's Changed</h2>
<ul>
<li>Cleanup some deprecated, unused allows by <a
href="https://github.com/klensy"><code>@klensy</code></a> in <a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1067">rust-lang/cc-rs#1067</a></li>
<li>Fix paths on Mac Catalyst by <a
href="https://github.com/madsmtm"><code>@madsmtm</code></a> in <a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1070">rust-lang/cc-rs#1070</a></li>
<li>Fix detect_compiler_family.c not being created by <a
href="https://github.com/Jake-Shadle"><code>@Jake-Shadle</code></a> in
<a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1072">rust-lang/cc-rs#1072</a></li>
<li>Release cc 1.0.98 by <a
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href="https://redirect.github.com/rust-lang/cc-rs/pull/1073">rust-lang/cc-rs#1073</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/klensy"><code>@klensy</code></a> made
their first contribution in <a
href="https://redirect.github.com/rust-lang/cc-rs/pull/1067">rust-lang/cc-rs#1067</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/rust-lang/cc-rs/compare/1.0.97...1.0.98">https://github.com/rust-lang/cc-rs/compare/1.0.97...1.0.98</a></p>
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Release cc 1.0.98 (<a
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<li><a
href="8f6d07f825"><code>8f6d07f</code></a>
Fix detect_compiler_family.c not being created (<a
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<li><a
href="61b81c8b4c"><code>61b81c8</code></a>
Fix paths on Mac Catalyst (<a
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<li><a
href="b7455eb81c"><code>b7455eb</code></a>
Cleanup some deprecated, unused allows (<a
href="https://redirect.github.com/rust-lang/cc-rs/issues/1067">#1067</a>)</li>
<li>See full diff in <a
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Trying to reproduce this RVO shows that actually the optimization that
is used here is simple inlining. Once inlining is disabled, the
addresses change, even with `-O -C opt-level=3`.
The return of the values is also never changed to an "efficient memcpy",
but instead was returned on eax+edx, although this result is of course
specific to the calling convention of the platform ABI, but no memcpy on
the most popular amd64 architecture.
I don't think it's educationally important to teach RVO here, so I
didn't go into any length trying to force Rust to do a real RVO (passing
Point address into the function on the assembly level, so the function
can fill in the addition). In my opinion the only important thing is,
that if a student is actually clicking the Playground link and looks
into the assembly, then our description should match the generated code.
That's why I just fixed the content instead of trying to fix the example
to be RVO.
* Update translation file with the new (2024-05-04) `messages.pot`
version;
* Translate `src/types-and-values.md`;
* Translate `src/types-and-values/*.md`;
* Revise a number of fuzzy translations;
* Fix a markdown link in control-flow-basics;
* Preserve some source code in `msgstr` that shouldn't be translated;
* Translate few schedule and welcome pages items;
* Mention an alternative translation for destructuring: распаковка;
* Translate session timings, use case endings with numbers;
#326
Bumps the patch group in /src/bare-metal/aps/examples with 1 update:
[cc](https://github.com/rust-lang/cc-rs).
Updates `cc` from 1.0.96 to 1.0.97
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