pub fn try_get_min_index(&self) -> Option<i32> {
        // This assumes that the first element is the minimum,
        // which is only true for an ordered map.
        Some(self.0.first()?.0)
    }
/// Returns the minimum index of all the segment times. Returns `None` if
/// there's no segment times in this history.
Returns the minimum index of all the segment times. Returns `None` if
there's no segment times in this history.
Returns the minimum index of all the segment times . Returns ` None ` if there ' s no segment times in this history .
pub fn try_get_min_index(&self) -> Option<i32> {
        // This assumes that the first element is the minimum,
        // which is only true for an ordered map.
        Some(self.0.first()?.0)
    }
pub fn try_get_min_index ( & self ) -> Option < i32 > { // This assumes that the first element is the minimum, // which is only true for an ordered map. Some ( self . 0 . first ( ) ? . 0 ) }
Returns the minimum index of all the segment times.
Returns the minimum index of all the segment times .
&self
&self