pub fn from(start: Hash, store: Arc<ChainStore>) -> DifficultyIter {
		DifficultyIter {
			next: start,
			store: store,
		}
	}
/// Build a new iterator using the provided chain store and starting from
/// the provided block hash.
Build a new iterator using the provided chain store and starting from
the provided block hash.
Build a new iterator using the provided chain store and starting from the provided block hash .
pub fn from(start: Hash, store: Arc<ChainStore>) -> DifficultyIter {
		DifficultyIter {
			next: start,
			store: store,
		}
	}
pub fn from ( start : Hash , store : Arc < ChainStore > ) -> DifficultyIter { DifficultyIter { next : start , store : store , } }
Build a new iterator using the provided chain store and starting from
the provided block hash.
Build a new iterator using the provided chain store and starting from the provided block hash .
start
Hash
store
Arc<ChainStore>