Rollup merge of #98049 - imbolc:patch-3, r=Dylan-DPC

Document an edge case of `str::split_once`
rust-lang · Jun 13, 2022 · 2e1426f · 2e1426f
2 parents 36a7593 + acda886
commit 2e1426f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs
@@ -1632,6 +1632,7 @@ impl str {
     ///
     /// ```
     /// assert_eq!("cfg".split_once('='), None);
+    /// assert_eq!("cfg=".split_once('='), Some(("cfg", "")));
     /// assert_eq!("cfg=foo".split_once('='), Some(("cfg", "foo")));
     /// assert_eq!("cfg=foo=bar".split_once('='), Some(("cfg", "foo=bar")));
     /// ```