From 05590e8a3cfcbf21d2d6d97935feb51be990b58f Mon Sep 17 00:00:00 2001
From: Niklas Elsbrock <mail@nelsbrock.de>
Date: Sat, 6 Aug 2022 20:55:50 +0200
Subject: [PATCH] add `must_use` attribute

---
 src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib.rs b/src/lib.rs
index 0623399..0279dd7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,6 +7,7 @@
 /// closure.
 ///
 /// See [`IterAccumulate::accumulate()`] for more information.
+#[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
 pub struct Accumulate<I, B, F> {
     iter: I,
     acc: B,