diff options
| -rw-r--r-- | compiler/rustc_lint/src/let_underscore.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/compiler/rustc_lint/src/let_underscore.rs b/compiler/rustc_lint/src/let_underscore.rs index dea878c4460..520c865cc19 100644 --- a/compiler/rustc_lint/src/let_underscore.rs +++ b/compiler/rustc_lint/src/let_underscore.rs @@ -11,7 +11,7 @@ declare_lint! { /// scope. /// /// ### Example - /// ```rust + /// ``` /// struct SomeStruct; /// impl Drop for SomeStruct { /// fn drop(&mut self) { @@ -20,6 +20,7 @@ declare_lint! { /// } /// /// fn main() { + /// #[warn(let_underscore_drop)] /// // SomeStuct is dropped immediately instead of at end of scope, /// // so "Dropping SomeStruct" is printed before "end of main". /// // The order of prints would be reversed if SomeStruct was bound to @@ -28,6 +29,9 @@ declare_lint! { /// println!("end of main"); /// } /// ``` + /// + /// {{produces}} + /// /// ### Explanation /// /// Statements which assign an expression to an underscore causes the @@ -66,6 +70,9 @@ declare_lint! { /// *lock += 1; /// }); /// ``` + /// + /// {{produces}} + /// /// ### Explanation /// /// Statements which assign an expression to an underscore causes the |