Function rustfst::algorithms::shortest_path

pub fn shortest_path<W, FI, FO>(ifst: &FI) -> Result<FO> where
    FI: ExpandedFst<W>,
    FO: MutableFst<W>,
    W: Semiring + WeightQuantize + Into<<W as Semiring>::ReverseWeight> + From<<W as Semiring>::ReverseWeight>,
    <W as Semiring>::ReverseWeight: WeightQuantize + WeaklyDivisibleSemiring,