Fix repl evaluation of tuples

Closes #5325

crates/repl_eval/src/eval.rs

@@ -621,6 +621,9 @@ fn addr_to_ast<'a, M: ReplAppMemory>(
             Content::Structure(FlatType::Record(fields, _)) => {
                 struct_to_ast(env, mem, addr, *fields)
             }
+            Content::Structure(FlatType::Tuple(elems,_)) => {
+                struct_to_ast_tuple(env, mem, addr, *elems)
+            }
             Content::Structure(FlatType::TagUnion(tags, _)) => {
                 debug_assert_eq!(tags.len(), 1);
 

crates/repl_test/src/tests.rs

@@ -1292,3 +1292,15 @@ fn tuple() {
         r#"("a", 2) : ( Str, U32 )*"#,
     );
 }
+
+#[test]
+fn nested_tuple() {
+    expect_success(
+        indoc!(
+            r#"
+            ("a", (2u32, 3u32))
+            "#
+        ),
+        r#"("a", (2, 3)) : ( Str, ( U32, U32 )a )a"#,
+    );
+}