public-collect/books-futures-explained
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

version3

Browse Source
This commit is contained in:
Carl Fredrik Samson
2020-04-05 17:09:05 +02:00
parent 21db34c022
commit 9b2401b8a4
15 changed files with 2091 additions and 968 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
book/2_waker_context.html
View File

@@ -151,7 +151,7 @@
<main>
<h1><a class="header" href="#waker-and-context" id="waker-and-context">Waker and Context</a></h1>
<blockquote>
<p><strong>Relevant for:</strong></p>
<p><strong>Overview:</strong></p>
<ul>
<li>Understanding how the Waker object is constructed</li>
<li>Learning how the runtime know when a leaf-future can resume</li>
@@ -235,7 +235,7 @@ object from these parts:</p>
and try to run it. If you want to go back, press the undo symbol. Keep an eye
out for these as we go forward. Many examples will be editable.</p>
</blockquote>
<pre><pre class="playpen"><code class="language-rust editable">// A reference to a trait object is a fat pointer: (data_ptr, vtable_ptr)
<pre><pre class="playpen"><code class="language-rust">// A reference to a trait object is a fat pointer: (data_ptr, vtable_ptr)
trait Test {
fn add(&amp;self) -&gt; i32;
fn sub(&amp;self) -&gt; i32;
@@ -293,7 +293,6 @@ fn main() {
println!(&quot;Sub: 3 - 2 = {}&quot;, test.sub());
println!(&quot;Mul: 3 * 2 = {}&quot;, test.mul());
}
</code></pre></pre>
<p>Now that you know this you also know why how we implement the <code>Waker</code> type
in Rust.</p>