hello rust type conversions / published by https://github.com/dacr/code-examples-manager #78987a3a-c3e9-401e-bdf6-773c55c6f3fb/32f5d6c2c394f8dc817fca70dfa6fa2adc184d04

hello-type-conversions.rs

#!/usr/bin/env rust-script
// summary : hello rust type conversions
// keywords : rust, types, conversions, @testable
// publish : gist
// authors : David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : 78987a3a-c3e9-401e-bdf6-773c55c6f3fb
// created-on : 2024-10-16T09:27:59+02:00
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : ./$file

#[derive(Debug, PartialEq, Clone)]
struct BigPoint {
    x: f64,
    y: f64,
}

impl From<(f64, f64)> for BigPoint {
    fn from(value: (f64, f64)) -> Self {
        Self { x: value.0, y: value.1 }
    }
}

impl From<BigPoint> for (f64, f64) {
    fn from(value: BigPoint) -> (f64, f64) {
        (value.x, value.y)
    }
}

fn main() {
    let p = BigPoint::from((1.2, 3.4)); // CONVERSION FROM TUPLE TO BigPoint
    assert_eq!(p, BigPoint { x: 1.2, y: 3.4 });

    let p: BigPoint = (0.1, 1.1).into(); // CONVERSION FROM TUPLE TO BigPoint
    assert_eq!(p, BigPoint { x: 0.1, y: 1.1 });

    let t: (f64, f64) = p.clone().into(); // CONVERSION FROM BigPoint to TUPLE

    println!("{:?}, {:?}", p, t);
}