hs-rust-learn 0.1.0

hs's rust test learn
Documentation 
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enum SpreadCell {
    Int(i16),
    Float(f32),
    Text(String),
}

fn main () {
    let mut v: Vec<i32> = Vec::new();
    v.push(123);

    let mut a = vec![24, 35, 47];
    for i in &mut a {
        *i += 50;
    }
    println!("{:?}", a);

    let mut w = vec![1, 3, 4];
    let f = w[0];
    w.push(5);
    println!("{}, {:?}", f, w);

    let x = vec![1, 2, 3, 4, 5];
    let th = &x[1];
    println!("{:?}", th);

    match x.get(2) {
        Some(th) => println!("thrid is {:?}", th),
        None => println!("not found"),
    }

    let row = vec![
        SpreadCell::Int(3),
        SpreadCell::Text(String::from("blue")),
        SpreadCell::Float(10.12),
    ];
    for cell in &row {
        match cell {
            SpreadCell::Int(num) => println!("int: {}", num),
            SpreadCell::Float(num) => println!("float: {}", num),
            SpreadCell::Text(text) => println!("text: {}", text),
        }
    }
}