pub fn fetch_trades(symbol: &str, start_time: Option<u64>) -> Result<String> {
        check_symbol(symbol);
        let t = start_time;
        gen_api_binance!(
            format!("/public/market/trades?symbol={}&limit=500", symbol),
            t
        )
    }
/// Get most recent trades.
///
/// 500 recent trades are returned.
///
/// For example: <https://voptions.binance.com/options-api/v1/public/market/trades?symbol=BTC-210129-40000-C&limit=500&t=1609956688000>
Get most recent trades.
500 recent trades are returned.

For example.
Get most recent trades . 500 recent trades are returned . For example .
pub fn fetch_trades(symbol: &str, start_time: Option<u64>) -> Result<String> {
        check_symbol(symbol);
        let t = start_time;
        gen_api_binance!(
            format!("/public/market/trades?symbol={}&limit=500", symbol),
            t
        )
    }
pub fn fetch_trades ( symbol : & str , start_time : Option < u64 > ) -> Result < String > { check_symbol ( symbol ) ; let t = start_time ; gen_api_binance ! ( format ( " " symbol ) t ) }
Get most recent trades.
Get most recent trades .
symbol
&str
start_time
Option<u64>