Macro linea::mat

macro_rules! mat {
    [$t:ty: $($x0:expr),*] => { ... };
    [$t:ty: $($x0:expr),*; $($($x:expr),*);+] => { ... };
}

Example use:

let _: Matrix<usize, U2, U2> = mat![usize: 1, 0;
                                           0, 1];