diff options
author | Blas Rodriguez Irizar <rodrigblas@gmail.com> | 2020-07-28 22:10:07 +0200 |
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committer | GitHub <noreply@github.com> | 2020-07-28 13:10:07 -0700 |
commit | 027351dd3a6da88d1b2ed9c687b96fa4ca8a7a6d (patch) | |
tree | bc21726fbd01c7cc503e058886fc675f90bc77db /tokio/tests | |
parent | ff6130da6583188b1ccebfd706eec7f5721976a3 (diff) |
macros: silence unreachable_code warning in select! (#2678)
Solves #2665 by adding #[allow(unreachable_code)] inside a branch
matching arm.
Co-authored-by: Alice Ryhl <alice@ryhl.io>
Diffstat (limited to 'tokio/tests')
-rw-r--r-- | tokio/tests/macros_select.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tokio/tests/macros_select.rs b/tokio/tests/macros_select.rs index 6f027f3b..2ebc4efc 100644 --- a/tokio/tests/macros_select.rs +++ b/tokio/tests/macros_select.rs @@ -440,9 +440,25 @@ async fn many_branches() { assert_eq!(1, num); } +#[tokio::test] +async fn never_branch_no_warnings() { + let t = tokio::select! { + _ = async_never() => 0, + one_async_ready = one() => one_async_ready, + }; + assert_eq!(t, 1); +} + async fn one() -> usize { 1 } async fn require_mutable(_: &mut i32) {} async fn async_noop() {} + +async fn async_never() -> ! { + use tokio::time::Duration; + loop { + tokio::time::delay_for(Duration::from_millis(10)).await; + } +} |