I believe by default it uses the C implementation which you can read here: https://github.com/davetroy/geohash/blob/master/ext/geohash_native.c https://github.c

I believe by default it uses the C implementation which you can read here: https://github.com/davetroy/geohash/blob/master/ext/geohash_native.c https://github.com/davetroy/geohash/blob/master/ext/geohash_...