moka 0.3.0

A fast and concurrent cache library inspired by Caffeine (Java) and Ristretto (Go)
Documentation 
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use quanta::Instant;

pub(crate) mod deque;
pub(crate) mod frequency_sketch;
pub(crate) mod thread_pool;
pub(crate) mod unsafe_weak_pointer;

pub(crate) trait AccessTime {
    fn last_accessed(&self) -> Option<Instant>;
    fn set_last_accessed(&mut self, timestamp: Instant);
    fn last_modified(&self) -> Option<Instant>;
    fn set_last_modified(&mut self, timestamp: Instant);
}

pub(crate) fn u64_to_instant(ts: u64) -> Option<Instant> {
    if ts == u64::MAX {
        None
    } else {
        Some(unsafe { std::mem::transmute(ts) })
    }
}