From d7c99d55daeaa76f482444e95beb99f5744ced4e Mon Sep 17 00:00:00 2001
From: Philippe-Cholet <44676486+Philippe-Cholet@users.noreply.github.com>
Date: Thu, 16 May 2024 12:29:44 +0200
Subject: [PATCH] `TupleCombinations` is not lazy but must be used nonetheless

---
 src/adaptors/mod.rs | 2 +-
 tests/laziness.rs   | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/adaptors/mod.rs b/src/adaptors/mod.rs
index 22f7aa363..52e36c48b 100644
--- a/src/adaptors/mod.rs
+++ b/src/adaptors/mod.rs
@@ -612,7 +612,7 @@ where
 /// See [`.tuple_combinations()`](crate::Itertools::tuple_combinations) for more
 /// information.
 #[derive(Clone, Debug)]
-#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
+#[must_use = "this iterator adaptor is not lazy but does nearly nothing unless consumed"]
 pub struct TupleCombinations<I, T>
 where
     I: Iterator,
diff --git a/tests/laziness.rs b/tests/laziness.rs
index 7575e3786..c559d33ad 100644
--- a/tests/laziness.rs
+++ b/tests/laziness.rs
@@ -196,10 +196,15 @@ must_use_tests! {
     while_some {
         let _ = Panicking.map(Some).while_some();
     }
-    #[ignore]
-    tuple_combinations {
+    tuple_combinations1 {
         let _ = Panicking.tuple_combinations::<(_,)>();
+    }
+    #[should_panic]
+    tuple_combinations2 {
         let _ = Panicking.tuple_combinations::<(_, _)>();
+    }
+    #[should_panic]
+    tuple_combinations3 {
         let _ = Panicking.tuple_combinations::<(_, _, _)>();
     }
     combinations {