typing_rust

public

A small typing test program in Rust

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use std::time::{
        Duration,
        Instant,
    };

#[derive(Debug)]
pub struct  Timer {
    start: Option<Instant>,
    duration: Duration,
}

impl Timer {
    pub fn new(duration: Duration) -> Self {
        Self {
            start: None,
            duration,
        }
    }

    pub fn start(&mut self) {
        self.start = Some(Instant::now());
    }

    pub fn remaining (&self) -> Duration {
        self.duration.saturating_sub(self.elapsed())
    }

    pub fn elapsed (&self) -> Duration {
        self.start
            .map(
                |time| time.elapsed().min(self.duration)
            )
            .unwrap_or(Duration::ZERO)
    }
}

1	use std::time::{
2	Duration,
3	Instant,
4	};
5
6	#[derive(Debug)]
7	pub struct Timer {
8	start: Option<Instant>,
9	duration: Duration,
10	}
11
12	impl Timer {
13	pub fn new(duration: Duration) -> Self {
14	Self {
15	start: None,
16	duration,
17	}
18	}
19
20	pub fn start(&mut self) {
21	self.start = Some(Instant::now());
22	}
23
24	pub fn remaining (&self) -> Duration {
25	self.duration.saturating_sub(self.elapsed())
26	}
27
28	pub fn elapsed (&self) -> Duration {
29	self.start
30	.map(
31	\|time\| time.elapsed().min(self.duration)
32	)
33	.unwrap_or(Duration::ZERO)
34	}
35	}