{"header":{"message":"Implement passive debouncer","description":null,"timestamp":"2021-10-10T03:48:47.059553913Z","authors":[{}]},"hash":"EPIHKWJDBRZLGVI5AA7OGNJXIIAO5JPXCG55NCBYY4YNKY6EERLAC","authors":[{"login":"isagalaev","key":"GGyJA92mZf4oyvR5S2XWq6i2USZKkrxmabqwBcQpBwSe"}],"deps":{"hashes":[["EPIHKWJDBRZLGVI5AA7OGNJXIIAO5JPXCG55NCBYY4YNKY6EERLAC","Implement passive debouncer"],["AA",null],["SY4Q66QFFEQ2BPMJ5G7MSZPX52HM6QTHZXJWL2VVFB2JMWZQLJBQC","First draft"]],"deps":["SY4Q66QFFEQ2BPMJ5G7MSZPX52HM6QTHZXJWL2VVFB2JMWZQLJBQC"],"known":[]},"hunks":[{"FileAdd":{"meta":{"basename":"debounce.rs","metadata":0},"context":[{"change":2,"pos":15}],"contents":[{"Add":"use std::cmp::PartialEq;"},{"Add":"use std::time::{Duration, Instant};"},{"Add":""},{"Add":"#[derive(Debug)]"},{"Add":"struct Event {"},{"Add":" item: T,"},{"Add":" time: Instant,"},{"Add":"}"},{"Add":""},{"Add":"pub enum State {"},{"Add":" Ready(T),"},{"Add":" Wait(Duration),"},{"Add":" Empty,"},{"Add":"}"},{"Add":""},{"Add":"pub struct Debouncer {"},{"Add":" delay: Duration,"},{"Add":" events: Vec>,"},{"Add":"}"},{"Add":""},{"Add":"impl Debouncer {"},{"Add":" pub fn new(delay: Duration) -> Debouncer {"},{"Add":" Debouncer {"},{"Add":" delay,"},{"Add":" events: vec![],"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" pub fn new_events>(&mut self, mut items: I) {"},{"Add":" let time = Instant::now();"},{"Add":" let cutoff = time - self.delay;"},{"Add":" while let Some(item) = items.next() {"},{"Add":" self.events.retain(|e| e.time < cutoff || e.item != item);"},{"Add":" self.events.push(Event { item, time });"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" pub fn get(&mut self) -> State {"},{"Add":" let time = Instant::now();"},{"Add":" let cutoff = time - self.delay;"},{"Add":" match self.events.get(0) {"},{"Add":" None => State::Empty,"},{"Add":" Some(e) if e.time > cutoff => State::Wait(e.time - cutoff),"},{"Add":" Some(_) => State::Ready(self.events.remove(0).item),"},{"Add":" }"},{"Add":" }"},{"Add":"}"}]}}],"owner":"isagalaev","repo":"nfp","token":"MskhtmE5XciaOX5003VrJA6k5Xerjde40txj5K+WjsA=","login":null}

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