macro_rules! push_args {
($args: expr, $name: ident = $val : expr) => { ... };
($args: expr, $name: ident = $val : expr, $($rest: tt)*) => { ... };
($args: expr, $val : expr) => { ... };
($args: expr, $val : expr, $($rest: tt)*) => { ... };
}
Convert a list of tokens to an array of tuples.