Function libh3::h3_to_geo_boundary

pub fn h3_to_geo_boundary(h3: H3Index) -> Vec<GeoCoord>

Convert a H3 index value to a GeoBoundary which are a vector of points that describe a H3 Index's boundary

use libh3::h3_to_geo_boundary;
let foo = h3_to_geo_boundary(0x8a2a1072b59ffff);
assert_eq!(foo.len(), 6);