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Issue 3608. Annotate struct EnterGuard with attr must_use #3609

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merged 1 commit into from Mar 12, 2021
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Issue 3608. Annotate struct EnterGuard with attr must_use #3609

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1 change: 1 addition & 0 deletions tokio/src/runtime/handle.rs
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Expand Up @@ -39,6 +39,7 @@ pub struct Handle {
///
/// [`Runtime::enter`]: fn@crate::runtime::Runtime::enter
#[derive(Debug)]
#[must_use = "Creating and dropping a guard does nothing"]
pub struct EnterGuard<'a> {
handle: &'a Handle,
guard: context::EnterGuard,
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