apple-quant-algorithmic 0.1.0

Apple Quant's algorithmic trading api
Documentation 
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use databento::dbn::SType;
use smallstr::SmallString;
use std::fmt::Write;

use crate::instrument::{InstrumentKind, InstrumentTicker};

pub(crate) trait Symbology {
	fn symbol(&self) -> (SmallString<[u8; 8]>, SType);
}

impl Symbology for InstrumentTicker {
	fn symbol(&self) -> (SmallString<[u8; 8]>, SType) {
		let mut symbol = SmallString::new();

		let stype = match self.instrument_kind() {
			InstrumentKind::Future => {
				write!(
					symbol,
					"{}.v.0",
					self.bare_symbol()
				)
				.unwrap();

				SType::Continuous
			}
			_ => unimplemented!(),
		};

		(symbol, stype)
	}
}