wasmtimer 0.4.3

Time utils from std::time, tokio::time and tokio_util::time on WASM targets
Documentation 
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use std::fmt;

/// Errors returned by `Timeout`.
///
/// This error is returned when a timeout expires before the function was able
/// to finish.
#[derive(Debug, PartialEq, Eq)]
pub struct Elapsed(());

// ===== impl Elapsed =====

impl Elapsed {
    pub(crate) fn new() -> Self {
        Elapsed(())
    }
}

impl fmt::Display for Elapsed {
    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        "deadline has elapsed".fmt(fmt)
    }
}

impl std::error::Error for Elapsed {}

impl From<Elapsed> for std::io::Error {
    fn from(_err: Elapsed) -> std::io::Error {
        std::io::ErrorKind::TimedOut.into()
    }
}