pub fn iter(&'f self) -> FrontElemIter<'f, 's, S> {
        FrontElemIter {
            front: self,
            next_idx: 0,
        }
    }
/// Iterates over the elements of the front.
Iterates over the elements of the front.
Iterates over the elements of the front .
pub fn iter(&'f self) -> FrontElemIter<'f, 's, S> {
        FrontElemIter {
            front: self,
            next_idx: 0,
        }
    }
pub fn iter ( & ' f self ) -> FrontElemIter < ' f , ' s , S > { FrontElemIter { front : self , next_idx : 0 , } }
Iterates over the elements of the front.
Iterates over the elements of the front .
&'f self