From b15bcb166e4efb633714236a51877fab2eef4447 Mon Sep 17 00:00:00 2001
From: Varun Agrawal <varagrawal@gmail.com>
Date: Fri, 29 Dec 2023 14:43:39 -0500
Subject: [PATCH] replace structured binding with exclusive access

---
 gtsam/navigation/NavState.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtsam/navigation/NavState.cpp b/gtsam/navigation/NavState.cpp
index 4410d629cf..3e2817752d 100644
--- a/gtsam/navigation/NavState.cpp
+++ b/gtsam/navigation/NavState.cpp
@@ -106,7 +106,8 @@ bool NavState::equals(const NavState& other, double tol) const {
 //------------------------------------------------------------------------------
 NavState NavState::retract(const Vector9& xi, //
     OptionalJacobian<9, 9> H1, OptionalJacobian<9, 9> H2) const {
-  auto [nRb, n_t, n_v] = (*this);
+  Rot3 nRb = R_;
+  Point3 n_t = t_, n_v = v_;
   Matrix3 D_bRc_xi, D_R_nRb, D_t_nRb, D_v_nRb;
   const Rot3 bRc = Rot3::Expmap(dR(xi), H2 ? &D_bRc_xi : 0);
   const Rot3 nRc = nRb.compose(bRc, H1 ? &D_R_nRb : 0);