Rust matrix moving

output

clone
move
move
Matrix { data: [100, 200, 300] }

test.rs

#[deriving(Show, Clone)]
struct Matrix
{
    data: Vec<f32>
}

trait MoveMul<T, RHS>
{
    fn move_mul(self, r: RHS) -> T;
}

impl MoveMul<Matrix, f32> for Matrix
{
    fn move_mul(self, r: f32) -> Matrix
    {
        println!("move");
        let mut m = self;
        for v in m.data.mut_iter()
        {
            *v *= r;
        }
        m
    }
}

impl<'l> MoveMul<Matrix, f32> for &'l Matrix
{
    fn move_mul(self, r: f32) -> Matrix
    {
        println!("clone");
        let mut m = self.clone();
        for v in m.data.mut_iter()
        {
            *v *= r;
        }
        m
    }
}

fn main()
{
    let m = Matrix{ data: vec![1.0f32, 2.0, 3.0] };
    
    let m2 = (&m).move_mul(2.0).move_mul(5.0).move_mul(10.0);
    
    println!("{}", m2);
}