Macro mozjs::rooted_vec

macro_rules! rooted_vec {
    (let mut $name:ident) => { ... };
    (let mut $name:ident: $type:ty) => { ... };
    (let mut $name:ident = $init:expr) => { ... };
    (let mut $name:ident: $type:ty = $init:expr) => { ... };
}