From 144d335538fd0a06018c553d7d2e4f369e25735d Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Thu, 27 Feb 2025 08:35:23 -0800
Subject: [PATCH] Add UnpackStructImpl for structs with 21 fields.

PiperOrigin-RevId: 731737844
Change-Id: I3efeb26b0bf179958c8a3eda0b55dfc3d7778fb9
---
 googlemock/include/gmock/gmock-matchers.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/googlemock/include/gmock/gmock-matchers.h b/googlemock/include/gmock/gmock-matchers.h
index 8903c7ac..47311d46 100644
--- a/googlemock/include/gmock/gmock-matchers.h
+++ b/googlemock/include/gmock/gmock-matchers.h
@@ -3305,6 +3305,13 @@ auto UnpackStructImpl(const T& u, std::make_index_sequence<20>, char) {
   const auto& [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t] = u;
   return std::tie(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t);
 }
+template <typename T>
+auto UnpackStructImpl(const T& in, std::make_index_sequence<21>, char) {
+  const auto& [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u] =
+      in;
+  return std::tie(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t,
+                  u);
+}
 #endif  // defined(__cpp_structured_bindings)
 
 template <size_t I, typename T>