/// Single tik price data.
/// Each instance has a combination of high, low, and close prices.
///
/// # Fields
/// - `price_high`: The highest price reached during the period of the kline/candlestick.
/// - `price_low`: The lowest price reached during the period of the kline/candlestick.
/// - `price_close`:The price at the closing of the kline/candlestick.
///
/// See [Hlc::new] for creating a new instance of `Hlc`.