diff --git a/src/parsing.rs b/src/parsing.rs
index a125354..6b2a6f3 100644
--- a/src/parsing.rs
+++ b/src/parsing.rs
@@ -30,11 +30,9 @@ pub fn parse_number_with_radix<T: Num>(
             c.is_digit(base) && remaining >= 0
         })
         .collect();
-    if !digits.is_empty() {
-        T::from_str_radix(&digits, base).ok()
-    } else {
-        None
-    }
+    (!digits.is_empty())
+        .then(|| T::from_str_radix(&digits, base).ok())
+        .flatten()
 }
 
 pub fn parse_n<T: Debug, P: Tokens<Item = char>, const N: usize>(