rustdoc: add note about slice/array searches to help popup

1 files changed, 4 insertions, 0 deletions

diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js
index 6da51ea0a55..a184b7b705e 100644
--- a/src/librustdoc/html/static/js/main.js
+++ b/src/librustdoc/html/static/js/main.js
@@ -1077,6 +1077,10 @@ function preLoadCss(cssUrl) {
              <code>-&gt; vec</code> or <code>String, enum:Cow -&gt; bool</code>)",
             "You can look for items with an exact name by putting double quotes around \
              your request: <code>\"string\"</code>",
+             "Look for functions that accept or return \
+              <a href=\"https://doc.rust-lang.org/std/primitive.slice.html\">slices</a> and \
+              <a href=\"https://doc.rust-lang.org/std/primitive.array.html\">arrays</a> by writing \
+              square brackets (e.g., <code>-&gt; [u8]</code> or <code>[] -&gt; Option</code>)",
             "Look for items inside another one by searching for a path: <code>vec::Vec</code>",
         ].map(x => "<p>" + x + "</p>").join("");
         const div_infos = document.createElement("div");