From 5ea9faef0468b866868c37ae35d5eba34722b9a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Wed, 31 Dec 2025 20:21:24 +0100
Subject: [PATCH] Math: mark scatter() with CORRADE_NODISCARD.

Spent quite a while figuring out why the call didn't work, only to
realize it doesn't modify the value in-place. This annotation should
help.
---
 src/Magnum/Math/Swizzle.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Magnum/Math/Swizzle.h b/src/Magnum/Math/Swizzle.h
index 9bd86323e..f671c41bf 100644
--- a/src/Magnum/Math/Swizzle.h
+++ b/src/Magnum/Math/Swizzle.h
@@ -145,11 +145,11 @@ Inverse to @ref gather(), supporting the same component addressing except for
     @ref Vector4::rgb(), @ref Vector4::xy(), @ref Vector3::xy()
 */
 #ifdef DOXYGEN_GENERATING_OUTPUT
-template<char ...components, class T> constexpr T scatter(const T& vector, const Vector<sizeof...(components), typename T::Type>& values)
+template<char ...components, class T> CORRADE_NODISCARD constexpr T scatter(const T& vector, const Vector<sizeof...(components), typename T::Type>& values)
 #else
 /* Using std::common_type otherwise GCC 4.8 fails to match the arguments
    in SwizzleTest::scatterOneComponent() */
-template<char ...components, class T> constexpr T scatter(const T& vector, const typename std::common_type<Vector<sizeof...(components), typename T::Type>>::type& values)
+template<char ...components, class T> CORRADE_NODISCARD constexpr T scatter(const T& vector, const typename std::common_type<Vector<sizeof...(components), typename T::Type>>::type& values)
 #endif
 {
     return Implementation::scatterRecursive<T, sizeof...(components), components...>(vector, values, 0);