mrkishi · September 22, 2020 01:48
diff --git a/count.rs b/count.rs
 macro_rules! count {
 	() => { 0 };
 	($($half:tt $_:tt)*) => { count!($($half)*) * 2 };
 	($one:tt $($half:tt $_:tt)*) => { count!($($half)*) * 2 + 1 };
 }

 const TOTAL: usize = count!(+++++++);

 pub fn main() {    
 	println!("{}", TOTAL);
 }
	macro_rules! count {
	() => { 0 };
	($($half:tt $_:tt)) => { count!($($half)) * 2 };
	($one:tt $($half:tt $_:tt)) => { count!($($half)) * 2 + 1 };
	}

	const TOTAL: usize = count!(+++++++);

	pub fn main() {
	println!("{}", TOTAL);
	}