mini-moka 0.10.3

A lighter edition of Moka, a fast and concurrent cache library
Documentation 
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use std::time::Duration;

pub(crate) mod clock;

pub(crate) use clock::Clock;

/// a wrapper type over Instant to force checked additions and prevent
/// unintentional overflow. The type preserve the Copy semantics for the wrapped
#[derive(PartialEq, PartialOrd, Clone, Copy)]
pub(crate) struct Instant(clock::Instant);

pub(crate) trait CheckedTimeOps {
    fn checked_add(&self, duration: Duration) -> Option<Self>
    where
        Self: Sized;
}

impl Instant {
    pub(crate) fn new(instant: clock::Instant) -> Instant {
        Instant(instant)
    }

    pub(crate) fn now() -> Instant {
        Instant(clock::Instant::now())
    }
}

impl CheckedTimeOps for Instant {
    fn checked_add(&self, duration: Duration) -> Option<Instant> {
        self.0.checked_add(duration).map(Instant)
    }
}