``` use rsirs::RSI; use tacommon::traits::Indicator;
let mut rsi = RSI::new(5); asserteq!(rsi.next(81.59), None); asserteq!(rsi.next(81.06), None); asserteq!(rsi.next(82.87), None); asserteq!(rsi.next(83.00), None); asserteq!(rsi.next(83.61), None); asserteq!(rsi.next(83.15), Some(72.03389830508483)); asserteq!(rsi.next(82.84), Some(56.635202665186114)); asserteq!(rsi.next(83.99), Some(61.68751532989949)); asserteq!(rsi.next(84.55), Some(71.83428751746838)); asserteq!(rsi.next(84.36), Some(77.71943353585428)); asserteq!(rsi.next(85.53), Some(86.64739714536829)); asserteq!(rsi.next(86.54), Some(92.43207672848268)); asserteq!(rsi.next(86.89), Some(95.28836178630372)); asserteq!(rsi.next(87.77), Some(97.05218372440096)); assert_eq!(rsi.next(87.29), Some(97.9151897656543));
```