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Add trait for count down times that allow reading out elapsed time #277

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Add trait for count down times that allow reading out elapsed time #277

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6 changes: 6 additions & 0 deletions src/timer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,12 @@ pub trait CountDown {
fn wait(&mut self) -> nb::Result<(), Self::Error>;
}

/// A count down timer that allows reading out elapsed time since start.
pub trait Elapsed: CountDown {
/// The units of time that elapsed since the timer was started.
fn elapsed(&self) -> Result<Self::Time, Self::Error>;
}

/// Marker trait that indicates that a timer is periodic
pub trait Periodic {}

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