use std::collections::HashMap;

#[macro_export]
macro_rules! hashmap {

    ( $($k:ident: $v:expr),* ) => {
        vec![$((stringify!($k), $v)),*]
            .into_iter()
            .collect::<HashMap<_, _>>()
    };

    ( $($k:ident: $v:expr,)* ) => {
        vec![$((stringify!($k), $v)),*]
            .into_iter()
            .collect::<HashMap<_, _>>()
    };

    ( $($k:expr => $v:expr),*) => {
        vec![$(($k, $v)),*]
            .into_iter()
            .collect::<HashMap<_, _>>()
    };

    ( $($k:expr => $v:expr,)*) => {
        vec![$(($k, $v)),*]
            .into_iter()
            .collect::<HashMap<_, _>>()
    };
}

fn main() {
    let hm = hashmap!{
        "name" => "cauê",
        "favourite_colour" => "blue. no, yel- aaaaargh!",
    };

    let hm2 = hashmap!{
        name: "cauê",
        favourite_colour: "blue. no, yel- aaaaargh!",
    };

    println!("{:?}", hm);
    println!("{:?}", hm2);
}