From cbec8c8f030d59fd8a6d90cb9a18bdf4c9a9caed Mon Sep 17 00:00:00 2001
From: Oliver Hahn <oliverjhahn@gmail.com>
Date: Sat, 12 Oct 2019 15:06:49 +0200
Subject: [PATCH] inlined global lambdas, requires upgrading to C++17

---
 CMakeLists.txt       |  2 +-
 include/operators.hh | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fcc57e9..875fc91 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,7 +84,7 @@ file( GLOB PLUGINS
 add_executable(${PRGNAME} ${SOURCES} ${PLUGINS})
 target_setup_class(${PRGNAME})
 
-set_target_properties(${PRGNAME} PROPERTIES CXX_STANDARD 14)
+set_target_properties(${PRGNAME} PROPERTIES CXX_STANDARD 17)
 
 # mpi flags
 if(MPI_CXX_FOUND)
diff --git a/include/operators.hh b/include/operators.hh
index 0177f95..cc0ed67 100644
--- a/include/operators.hh
+++ b/include/operators.hh
@@ -1,9 +1,9 @@
 #pragma once
 
 namespace op{
-auto assign_to = [](auto &g){return [&](auto i, auto v){ g[i] = v; };};
-auto add_to = [](auto &g){return [&](auto i, auto v){ g[i] += v; };};
-auto add_twice_to = [](auto &g){return [&](auto i, auto v){ g[i] += 2*v; };};
-auto subtract_from = [](auto &g){return [&](auto i, auto v){ g[i] -= v; };};
-auto subtract_twice_from = [](auto &g){return [&](auto i, auto v){ g[i] -= 2*v; };};
-}
\ No newline at end of file
+inline auto assign_to = [](auto &g){return [&](auto i, auto v){ g[i] = v; };};
+inline auto add_to = [](auto &g){return [&](auto i, auto v){ g[i] += v; };};
+inline auto add_twice_to = [](auto &g){return [&](auto i, auto v){ g[i] += 2*v; };};
+inline auto subtract_from = [](auto &g){return [&](auto i, auto v){ g[i] -= v; };};
+inline auto subtract_twice_from = [](auto &g){return [&](auto i, auto v){ g[i] -= 2*v; };};
+}