Merge pull request #286 from dtolnay/array

Implement repetition for arrays

Author: dtolnay

src/runtime.rs

@@ -126,6 +126,14 @@ pub mod ext {
         }
     }
 
+    impl<'q, T: 'q, const N: usize> RepAsIteratorExt<'q> for [T; N] {
+        type Iter = slice::Iter<'q, T>;
+
+        fn quote_into_iter(&'q self) -> (Self::Iter, HasIter) {
+            (self.iter(), HasIter)
+        }
+    }
+
     impl<'q, T: 'q> RepAsIteratorExt<'q> for Vec<T> {
         type Iter = slice::Iter<'q, T>;
 

tests/test.rs

@@ -105,6 +105,9 @@ fn test_array() {
 
     let ref_slice: &[X] = &[X, X];
     let _ = quote!(#(#ref_slice #ref_slice)*);
+
+    let array_of_array: [[u8; 2]; 2] = [[0; 2]; 2];
+    let _ = quote!(#(#(#array_of_array)*)*);
 }
 
 #[test]