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Remove EventLoopError::AlreadyRunning

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This is already prevented by the type-system, and as such it doesn't
make sense to have an error case for this.
This commit is contained in:
Mads Marquart 2024-01-29 19:06:03 +01:00 • committed by GitHub
parent f204467838
commit f526a47152
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9 changed files with 15 additions and 29 deletions
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15
src/platform/run_on_demand.rs
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@ -55,7 +55,7 @@ pub trait EventLoopExtRunOnDemand {
/// loop that would block the browser and there is nothing that can be
/// polled to ask for new events. Events are delivered via callbacks based
/// on an event loop that is internal to the browser itself.
/// - **iOS:** It's not possible to stop and start an `NSApplication` repeatedly on iOS.
/// - **iOS:** It's not possible to stop and start an `UIApplication` repeatedly on iOS.
///
#[cfg_attr(
not(web_platform),
@ -87,3 +87,16 @@ impl EventLoopWindowTarget {
self.p.clear_exit()
}
}
/// ```compile_fail
/// use winit::event_loop::EventLoop;
/// use winit::platform::run_on_demand::EventLoopExtRunOnDemand;
///
/// let mut event_loop = EventLoop::new().unwrap();
/// event_loop.run_on_demand(|_, _| {
/// // Attempt to run the event loop re-entrantly; this must fail.
/// event_loop.run_on_demand(|_, _| {});
/// });
/// ```
#[allow(dead_code)]
fn test_run_on_demand_cannot_access_event_loop() {}