Update

Rust.html

@@ -216,7 +216,9 @@ <h2 id="avoid-using-extern-crate">Avoid using <code>extern crate</code>
 <p>Meson can't track dependency information for crates linked by rustc as
 a result of <code>extern crate</code> statements in Rust source code.  If your
 crate dependencies are properly expressed in Meson, there should be no
-need for <code>extern crate</code> statements in your Rust code.</p>
+need for <code>extern crate</code> statements in your Rust code, as long as you use the
+Rust 2018 edition or later. This means adding <code>rust_std=2018</code> (or later) to the
+<code>project(default_options)</code> argument.</p>
 <p>An example of the problems with <code>extern crate</code> is that if you delete a
 crate from a Meson build file, other crates that depend on that crate
 using <code>extern crate</code> might continue linking with the leftover rlib of

Wrapdb-projects.html

@@ -2172,7 +2172,7 @@ <h1 id="meson-wrapdb-packages">Meson WrapDB packages</h1>
 </tr>
 <tr>
 <td> trompeloeil</td>
-<td> <big><strong><a href="https://wrapdb.mesonbuild.com/v2/trompeloeil_47-1/trompeloeil.wrap">47-1</a></strong></big><br><a href="https://wrapdb.mesonbuild.com/v2/trompeloeil_39-1/trompeloeil.wrap">39-1</a>, <a href="https://wrapdb.mesonbuild.com/v2/trompeloeil_38-1/trompeloeil.wrap">38-1</a>
+<td> <big><strong><a href="https://wrapdb.mesonbuild.com/v2/trompeloeil_48-1/trompeloeil.wrap">48-1</a></strong></big><br><a href="https://wrapdb.mesonbuild.com/v2/trompeloeil_47-1/trompeloeil.wrap">47-1</a>, <a href="https://wrapdb.mesonbuild.com/v2/trompeloeil_39-1/trompeloeil.wrap">39-1</a>, <a href="https://wrapdb.mesonbuild.com/v2/trompeloeil_38-1/trompeloeil.wrap">38-1</a>
 </td>
 <td> trompeloeil</td>
 <td></td>

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assets/js/search/hotdoc_fragments/Rust.html-avoid-using-extern-crate.fragment

@@ -1 +1 @@
-fragment_downloaded_cb({"url":"Rust.html#avoid-using-extern-crate","fragment":"Avoid using extern crate\n\nMeson can't track dependency information for crates linked by rustc as\na result of extern crate statements in Rust source code.  If your\ncrate dependencies are properly expressed in Meson, there should be no\nneed for extern crate statements in your Rust code.\nAn example of the problems with extern crate is that if you delete a\ncrate from a Meson build file, other crates that depend on that crate\nusing extern crate might continue linking with the leftover rlib of\nthe deleted crate rather than failing to build, until the build\ndirectory is cleaned.\nThis limitation could be resolved in future with rustc improvements,\nfor example if the -Z binary-dep-depinfo\nfeature is stabilized.\n"});
+fragment_downloaded_cb({"url":"Rust.html#avoid-using-extern-crate","fragment":"Avoid using extern crate\n\nMeson can't track dependency information for crates linked by rustc as\na result of extern crate statements in Rust source code.  If your\ncrate dependencies are properly expressed in Meson, there should be no\nneed for extern crate statements in your Rust code, as long as you use the\nRust 2018 edition or later. This means adding rust_std=2018 (or later) to the\nproject(default_options) argument.\nAn example of the problems with extern crate is that if you delete a\ncrate from a Meson build file, other crates that depend on that crate\nusing extern crate might continue linking with the leftover rlib of\nthe deleted crate rather than failing to build, until the build\ndirectory is cleaned.\nThis limitation could be resolved in future with rustc improvements,\nfor example if the -Z binary-dep-depinfo\nfeature is stabilized.\n"});

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