Mark new as const fn

src/lib.rs

@@ -88,7 +88,7 @@ impl<T> CachePadded<T> {
     ///
     /// let padded = CachePadded::new(1);
     /// ```
-    pub fn new(t: T) -> CachePadded<T> {
+    pub const fn new(t: T) -> CachePadded<T> {
         CachePadded(t)
     }