diff --git a/src/instruments.rs b/src/instruments.rs
index 0beb4c3..bdee226 100644
--- a/src/instruments.rs
+++ b/src/instruments.rs
@@ -64,9 +64,7 @@ fn wave_numbers(input: &str) -> IResult<&str, (usize, u8)> {
                 })
         }),
         space1,
-        map_res(hexordecimal, |(radix, s)| {
-            u8::from_str_radix(s, radix)
-        }),
+        map_res(hexordecimal, |(radix, s)| u8::from_str_radix(s, radix)),
     )(input)
 }