fn ComputeDistanceCache(
pos: usize,
starting_dist_cache: &[i32],
nodes: &[ZopfliNode],
dist_cache: &mut [i32],
)fn ComputeDistanceCache(
pos: usize,
starting_dist_cache: &[i32],
nodes: &[ZopfliNode],
dist_cache: &mut [i32],
)