geo 0.23.1

Geospatial primitives and algorithms
Documentation 
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#[macro_use]
extern crate geo;

use geo::Centroid;

fn main() {
    let linestring = geo::line_string![
        (x: 40.02f64, y: 116.34),
        (x: 41.02f64, y: 116.34),
    ];
    println!("Centroid {:?}", linestring.centroid());
}