Function oldnav_lib::navdata::geohash::hash_precision

pub fn hash_precision(geohash: u64) -> u8

Get the precision value for an integer geohash.

Example

length of 4: ```

use oldnav_lib::navdata::geohash::*;

let gh = hash_from_string("1010").unwrap(); assert_eq!(4, hash_precision(gh)); ```

length of 8: ```

use oldnav_lib::navdata::geohash::*;

let gh = hash_from_string("00000000"); assert_eq!(8, hash_precision(gh)); ```