arifd/variable_args.rs

## variable_args.rs
/// creates a nested tuple from the given args
/// ```
/// assert_eq!(
///    vararg!("a", 15, true, 10.0),
///    ("a", (15, (true, (10.0, ()))))
/// )
macro_rules! vararg {
  ($first:expr $(, $rest:expr)* $(,)?) => {
    ($first, vararg!( $($rest),* ) )
  };
  () => { () };
}
	/// creates a nested tuple from the given args
	/// ```
	/// assert_eq!(
	/// vararg!("a", 15, true, 10.0),
	/// ("a", (15, (true, (10.0, ()))))
	/// )
	macro_rules! vararg {
	($first:expr $(, $rest:expr)* $(,)?) => {
	($first, vararg!( $($rest),* ) )
	};
	() => { () };
	}