From 4b642cd3ce5c63a450b4df08fadbc5a0349c7be9 Mon Sep 17 00:00:00 2001
From: Mark Hoemmen <mhoemmen@nvidia.com>
Date: Tue, 12 Jul 2022 11:25:17 -0600
Subject: [PATCH] Make conj_if_needed inline

This avoids any ODR violations for the lambda itself.
It's a generic lambda, so we don't have to worry about its operator().

Fixes #246.
---
 include/experimental/__p1673_bits/conjugate_if_needed.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/experimental/__p1673_bits/conjugate_if_needed.hpp b/include/experimental/__p1673_bits/conjugate_if_needed.hpp
index 051fb4ba..e789b01e 100644
--- a/include/experimental/__p1673_bits/conjugate_if_needed.hpp
+++ b/include/experimental/__p1673_bits/conjugate_if_needed.hpp
@@ -83,8 +83,9 @@ auto conj_if_needed_impl(const T& t, std::true_type)
     return conj(t);
   }
 }
-  
-auto conj_if_needed = [](const auto& t)
+
+// Inline static variables require C++17.
+constexpr inline auto conj_if_needed = [](const auto& t)
 {
   using T = std::remove_const_t<decltype(t)>;
   return conj_if_needed_impl(t, has_conj<T>{});