diff options
Diffstat (limited to 'src/libcore/future/future.rs')
| -rw-r--r-- | src/libcore/future/future.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libcore/future/future.rs b/src/libcore/future/future.rs index 0c870f9e404..5dee1d6dd3a 100644 --- a/src/libcore/future/future.rs +++ b/src/libcore/future/future.rs @@ -33,6 +33,7 @@ use task::{Poll, LocalWaker}; /// /// When using a future, you generally won't call `poll` directly, but instead /// `await!` the value. +#[must_use] pub trait Future { /// The result of the `Future`. type Output; |