core: make most for loops use const references (#7527)

why not let the compiler optimise things for us at hyprspeeds when we
can.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/protocols/core/Compositor.cpp b/src/protocols/core/Compositor.cpp
index 8b6f46b1..75f1e646 100644
--- a/src/protocols/core/Compositor.cpp
+++ b/src/protocols/core/Compositor.cpp
@@ -260,7 +260,7 @@ void CWLSurfaceResource::bfHelper(std::vector<SP<CWLSurfaceResource>> nodes, std
     for (auto& n : nodes) {
         std::erase_if(n->subsurfaces, [](const auto& e) { return e.expired(); });
         // subsurfaces is sorted lowest -> highest
-        for (auto& c : n->subsurfaces) {
+        for (auto const& c : n->subsurfaces) {
             if (c->zIndex >= 0)
                 break;
             if (c->surface.expired())
@@ -274,7 +274,7 @@ void CWLSurfaceResource::bfHelper(std::vector<SP<CWLSurfaceResource>> nodes, std
 
     nodes2.clear();
 
-    for (auto& n : nodes) {
+    for (auto const& n : nodes) {
         Vector2D offset = {};
         if (n->role->role() == SURFACE_ROLE_SUBSURFACE) {
             auto subsurface = ((CSubsurfaceRole*)n->role.get())->subsurface.lock();
@@ -284,8 +284,8 @@ void CWLSurfaceResource::bfHelper(std::vector<SP<CWLSurfaceResource>> nodes, std
         fn(n, offset, data);
     }
 
-    for (auto& n : nodes) {
-        for (auto& c : n->subsurfaces) {
+    for (auto const& n : nodes) {
+        for (auto const& c : n->subsurfaces) {
             if (c->zIndex < 0)
                 continue;
             if (c->surface.expired())