mirrors/zig
0
0 Fork 0
mirror of https://codeberg.org/ziglang/zig.git synced 2026-10-28 10:45:48 +08:00
Code Activity

langref: simplify precedence tables

Browse Source 
The details about which operators are ambiguous with which other operators are superfluous and get in the way of what these tables are meant to convey.
This commit is contained in:
Ryan Liptak authored and Alex Rønne Petersen committed 2026-10-22 12:21:43 +02:00
1 parent f98866c02c
commit a071b0e6d2
1 file changed
+7 -28
Download Patch File Download Diff File Expand all files Collapse all files
doc/langref.html.in
+7 -28
View File
@@ -1923,49 +1923,28 @@ x{}
as have the operators with higher precedence (those shown above).
</p>
<details style="display:none;" id="ambig-details">
<summary style="cursor:pointer;">Toggle operator precedence ambiguity details</summary>
<p>
The operators that look <span class="ambig-chain">like this</span> have ambiguous precedence with the other operators
on the same line. Those that look <span class="ambig-nonchain">like this</span> also have ambiguous
precedence with themselves (they cannot be chained).
</p>
</details>
<script>
let ambig_details = document.getElementById("ambig-details");
ambig_details.style.display = 'block';
ambig_details.addEventListener("toggle", (event) => {
document.querySelectorAll('.ambig-chain').forEach(e => { e.classList.toggle('tok-number'); });
document.querySelectorAll('.ambig-nonchain').forEach(e => {
e.classList.toggle('tok-number');
e.style.borderBottom = ambig_details.open ? '1px dotted' : '';
});
});
</script>
<p>
For arithmetic operators:
</p>
<pre><code>* / *% *| <span class="ambig-nonchain">%</span>
<pre>{#syntax#}* / *% *| %
+ - +% -% +| -|
<span class="ambig-nonchain">==</span> <span class="ambig-nonchain">!=</span> <span class="ambig-nonchain">&lt;</span> <span class="ambig-nonchain">></span> <span class="ambig-nonchain">&lt;=</span> <span class="ambig-nonchain">>=</span>
<span class="ambig-chain">and or</span></code></pre>
== != < > <= >=
and or{#endsyntax#}</pre>
<p>
For bitwise operators:
</p>
<pre><code><span class="ambig-nonchain">&lt;&lt;</span> <span class="ambig-nonchain">&lt;&lt;|</span> <span class="ambig-nonchain">>></span> <span class="ambig-chain">& ^ |</span>
<span class="ambig-nonchain">==</span> <span class="ambig-nonchain">!=</span> <span class="ambig-nonchain">&lt;</span> <span class="ambig-nonchain">></span> <span class="ambig-nonchain">&lt;=</span> <span class="ambig-nonchain">>=</span>
<span class="ambig-chain">and or</span></code></pre>
<pre>{#syntax#}<< <<| >> & ^ |
== != < > <= >=
and or{#endsyntax#}</pre>
<p>
For null and error recovery operators:
</p>
<pre><code><span class="ambig-chain">catch orelse</span></code></pre>
<pre>{#syntax#}catch orelse{#endsyntax#}</pre>
<p>
For error set operators: