Function ema_last 

pub fn ema_last(closes: &[f64], period: usize) -> FinanceResult<Option<f64>>

Last defined EMA value, if any (via EmaState).

Examples

use finance_solution::stocks::ta::{ema, ema_last};
let c: Vec<f64> = (1..=15).map(|x| x as f64).collect();
let series = ema(&c, 5).unwrap();
let last = ema_last(&c, 5).unwrap();
assert_eq!(last, series[14]);