extern crate csv; // 1.0.1
extern crate serde; // 1.0.78
#[macro_use]
extern crate serde_derive; // 1.0.78

const QA_SYMBOLS: &[u8] = b"#writer:LiveSymbolsWriterV1
#Tid,Type,Symbol
3,TS_TICKER,KO
5,TS_TICKER,NAV
7,TS_TICKER,DWDP
11,TS_TICKER,AEP
";

#[derive(Deserialize)]
struct SymbolsRow(u32, String, String);

fn main() {
    use std::collections::HashMap;
    //println!("{}", &QA_SYMBOLS);
    let mut symbols = csv::ReaderBuilder::new()
        .comment(Some(b'#'))
        .from_reader(QA_SYMBOLS);
    let tid_to_symbol: HashMap<_, _> = symbols
        .deserialize()
        .map(|r| r.unwrap())
        .map(|r: SymbolsRow| (r.0, r.2))
        .collect();
    println!("Loaded {:#?} symbols.", tid_to_symbol);
}