From a815a05fcd31c17e105123b59ab993e88de04306 Mon Sep 17 00:00:00 2001
From: Corentin Le Molgat <corentinl@google.com>
Date: Wed, 12 Feb 2025 10:20:53 +0100
Subject: [PATCH] routing: Fix c++17 build

note: Structured bindings cannot be captured by lambda expressions until C++20
ref <https://en.cppreference.com/w/cpp/language/structured_binding>
---
 ortools/routing/lp_scheduling.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ortools/routing/lp_scheduling.cc b/ortools/routing/lp_scheduling.cc
index d26aa8e9ef..543bd8e409 100644
--- a/ortools/routing/lp_scheduling.cc
+++ b/ortools/routing/lp_scheduling.cc
@@ -2196,8 +2196,10 @@ bool DimensionCumulOptimizerCore::SetRouteCumulConstraints(
     }
   }
 
-  for (const auto& [limit, min_break_duration] :
+  for (const auto& distance_duration :
        dimension_->GetBreakDistanceDurationOfVehicle(vehicle)) {
+    const int64_t limit = distance_duration.first;
+    const int64_t min_break_duration = distance_duration.second;
     int64_t min_num_breaks = 0;
     if (limit > 0) {
       min_num_breaks =