geohash.go
func EncodeIntWithPrecision(lat, lng float64, bits uint) uint64 {
	hash := EncodeInt(lat, lng)
	return hash >> (64 - bits)
}
func EncodeIntWithPrecision(lat, lng float64, bits uint) uint64 {
	hash := EncodeInt(lat, lng)
	return hash >> (64 - bits)
}
func EncodeIntWithPrecision ( lat , lng float64 , bits uint ) uint64 { hash := EncodeInt ( lat , lng ) return hash >> ( 64 - bits ) }
// EncodeIntWithPrecision encodes the point (lat, lng) to an integer with the
// specified number of bits.
EncodeIntWithPrecision encodes the point ( lat lng ) to an integer with the specified number of bits .