lambert-rust is a crate helping to convert Lambert coordinates to WGS84.
Usage
let point =Point::new(369419.0,1986498.0,0.0).wgs84_from_meter(Zone::Lambert93).convert_unit(AngleUnit::Radian,AngleUnit::Degree);println!("WGS84 Lat:{}, Lon:{}", point.y, point.x);