From 17aff107e9a934e98a87dd67b24f8242166f1073 Mon Sep 17 00:00:00 2001
From: Chinmay Garde <chinmaygarde@google.com>
Date: Tue, 13 Jul 2021 06:53:25 -0700
Subject: [PATCH] Add [[nodiscard]] decorations to fml::HashCombine.
 (flutter/engine#27343)

This makes it easier to catch errors when HashCombine was used
instead of HashCombineSeed.
---
 engine/src/flutter/fml/hash_combine.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/engine/src/flutter/fml/hash_combine.h b/engine/src/flutter/fml/hash_combine.h
index e06f7d33f7c..fe85f05be91 100644
--- a/engine/src/flutter/fml/hash_combine.h
+++ b/engine/src/flutter/fml/hash_combine.h
@@ -22,12 +22,12 @@ constexpr void HashCombineSeed(std::size_t& seed,
   HashCombineSeed(seed, other_args...);
 }
 
-constexpr std::size_t HashCombine() {
+[[nodiscard]] constexpr std::size_t HashCombine() {
   return 0xdabbad00;
 }
 
 template <class... Type>
-constexpr std::size_t HashCombine(Type... args) {
+[[nodiscard]] constexpr std::size_t HashCombine(Type... args) {
   std::size_t seed = HashCombine();
   HashCombineSeed(seed, args...);
   return seed;