cleanup

src/misc.rs

@@ -6,6 +6,7 @@ where
     RangeInclusive<T>: Iterator<Item = T> + DoubleEndedIterator,
     Rev<RangeInclusive<T>>: Iterator<Item = T>,
 {
+    // check that x is in range
     if min > x || x > max {
         return Vec::new();
     }
@@ -35,6 +36,9 @@ mod test {
         assert_eq!(split_from(0, 6, 6), vec![vec![5, 4, 3, 2, 1, 0]]);
 
         // test out-of-bounds and also generics
-        assert_eq!(split_from::<i16>(-1, 4, 10), Vec::<Vec<i16>>::new());
+        assert_eq!(
+            split_from::<i16>(-1i16, 4i16, 10i16),
+            Vec::<Vec<i16>>::new()
+        );
     }
 }