Struct CountdownTimer 

pub struct CountdownTimer { /* private fields */ }

A simple countdown bounded by an absolute deadline.

No thread, no timer: compute remaining time on demand.

Implementations

impl CountdownTimer

pub fn new(duration: Duration) -> Self

Create a timer that expires after duration.

pub fn remaining_secs(&self) -> u32

Seconds remaining until expiry (clamped at 0).

pub fn expired(&self) -> bool

Whether the deadline has passed.