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-rw-r--r--src/doc/rustdoc/src/how-to-read-rustdoc.md5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/doc/rustdoc/src/how-to-read-rustdoc.md b/src/doc/rustdoc/src/how-to-read-rustdoc.md
index ccd77fb17e9..55cce8ab570 100644
--- a/src/doc/rustdoc/src/how-to-read-rustdoc.md
+++ b/src/doc/rustdoc/src/how-to-read-rustdoc.md
@@ -105,6 +105,11 @@ will match these queries:
 
 But it *does not* match `Result<Vec, u8>` or `Result<u8<Vec>>`.
 
+Function signature searches also support arrays and slices. The explicit name
+`primitive:slice<u8>` and `primitive:array<u8>` can be used to match a slice
+or array of bytes, while square brackets `[u8]` will match either one. Empty
+square brackets, `[]`, will match any slice regardless of what it contains.
+
 ### Shortcuts
 
 Pressing `S` while focused elsewhere on the page will move focus to the