transition 0.1.2

Allows to visualize the execution and result of code using LED light blink(1)
Documentation 
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use crate::notifier::MsgType;
use thiserror::Error;

/// Error descriping issue with the transition.
#[derive(Debug, Error)]
pub enum TransitionErr {
    /// Describes issue with the connection to the blink(1) device.
    ///
    /// Make sure that your blink is connected and that your user have correct rights to access
    /// blink device.
    #[error("cannot contact blink(1) device")]
    BlinkConnection(#[from] blinkrs::BlinkError),

    /// Describes issue with sending a message via a crossbeam_channel to inform blinking thread to
    /// stop execution.
    #[error("cannot notify second thread")]
    Notification(#[from] crossbeam_channel::SendError<MsgType>),
}