matchcore 0.4.0

A high-performance order book and price-time matching engine implemented as a single-threaded, deterministic, in-memory state machine
Documentation 
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use std::fmt;

/// Represents the kind of an order
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum OrderKind {
    /// Limit order
    Limit,
    /// Pegged order
    Pegged,
    /// Price-conditional order
    PriceConditional,
}

impl fmt::Display for OrderKind {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            OrderKind::Limit => write!(f, "Limit"),
            OrderKind::Pegged => write!(f, "Pegged"),
            OrderKind::PriceConditional => write!(f, "PriceConditional"),
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_display() {
        assert_eq!(OrderKind::Limit.to_string(), "Limit");
        assert_eq!(OrderKind::Pegged.to_string(), "Pegged");
        assert_eq!(OrderKind::PriceConditional.to_string(), "PriceConditional");
    }
}