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//! //! The order side. //! use serde_derive::Deserialize; #[derive(Debug, Deserialize)] #[serde(rename_all = "SCREAMING_SNAKE_CASE")] pub enum Side { Buy, Sell, } impl ToString for Side { fn to_string(&self) -> String { match self { Side::Buy => "BUY", Side::Sell => "SELL", } .to_owned() } }