diff --git a/src/main.rs b/src/main.rs
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
 use std::collections::{HashMap, HashSet};
 
+const START: usize = usize::MAX;
+
 trait Token {
 	fn is_skippable(&self) -> bool {false}
 	fn list_first(&self) -> Vec<usize>;
@@ -130,8 +132,8 @@ fn parse(pattern: &String, offset: usize
 				i = j+1;
 			}
 			'*' => {
-				let segment = res.pop().unwrap();
-				res.push(Box::new(Asterisk{content: segment}));
+				let token = res.pop().unwrap();
+				res.push(Box::new(Asterisk{content: token}));
 				i += 1;
 			}
 			c => {
@@ -157,7 +159,7 @@ impl Regexp {
 		
 		for i in r.list_first() {
 			let c = pattern_chars[i];
-			let key = (99, c);
+			let key = (START, c);
 			match rules.get_mut(&key) {
 				Some(set) => {set.insert(i);},
 				None => {rules.insert(key, HashSet::from([i]));}
@@ -179,7 +181,7 @@ impl Regexp {
 	}
 
 	pub fn eval(&self, s: String) -> bool {
-		let mut multistate = HashSet::from([99]);
+		let mut multistate = HashSet::from([START]);
 
 		for c in s.chars() {
 			let mut new_multistate = HashSet::new();