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authorKonrad Borowski <konrad@borowski.pw>2018-12-23 16:47:11 +0100
committerGitHub <noreply@github.com>2018-12-23 16:47:11 +0100
commit8ac5380ea0204dbdcbc8108d259928b67d5f8ebb (patch)
tree174d912756fc2678af50d46ff457f7504750a975 /src/libcore/future
parentb4a306c1e648c84f289c63e984941b7faad10af1 (diff)
parentddab10a692aab2e2984b5c826ed9d78a57e94851 (diff)
downloadrust-8ac5380ea0204dbdcbc8108d259928b67d5f8ebb.tar.gz
rust-8ac5380ea0204dbdcbc8108d259928b67d5f8ebb.zip
Merge branch 'master' into copied
Diffstat (limited to 'src/libcore/future')
-rw-r--r--src/libcore/future/future.rs1
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;