From 4a14c98e1a1f5c768f58f9ae1446a6f38b67f1b4 Mon Sep 17 00:00:00 2001
From: Ziyang Hu <hu.ziyang@cantab.net>
Date: Wed, 29 Nov 2023 22:37:44 +0800
Subject: [PATCH] Implements IntoIterator as suggested
 https://github.com/cozodb/cozo/issues/207

---
 cozo-core/src/runtime/db.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cozo-core/src/runtime/db.rs b/cozo-core/src/runtime/db.rs
index ea796ba5..90996a57 100644
--- a/cozo-core/src/runtime/db.rs
+++ b/cozo-core/src/runtime/db.rs
@@ -136,6 +136,15 @@ pub struct NamedRows {
     pub next: Option<Box<NamedRows>>,
 }
 
+impl IntoIterator for NamedRows {
+    type Item = Tuple;
+    type IntoIter = std::vec::IntoIter<Self::Item>;
+
+    fn into_iter(self) -> Self::IntoIter {
+        self.rows.into_iter()
+    }
+}
+
 impl NamedRows {
     /// create a named rows with the given headers and rows
     pub fn new(headers: Vec<String>, rows: Vec<Tuple>) -> Self {