Add doctest

rust-lang · Sep 7, 2022 · 0a9b49c · 0a9b49c
1 parent 1dac6da
commit 0a9b49c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs
@@ -1827,6 +1827,7 @@ impl<'a> Formatter<'a> {
     /// }
     ///
     /// assert_eq!(&format!("{:+}", Foo(23)), "Foo(+23)");
+    /// assert_eq!(&format!("{:+}", Foo(-32)), "Foo(-23)");
     /// assert_eq!(&format!("{}", Foo(23)), "Foo(23)");
     /// ```
     #[must_use]