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-rw-r--r--minui/events.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/minui/events.cpp b/minui/events.cpp
index a6b9671ed..e6e7bd28c 100644
--- a/minui/events.cpp
+++ b/minui/events.cpp
@@ -204,7 +204,7 @@ int ev_sync_key_state(ev_set_key_callback set_key_cb, void* data) {
return 0;
}
-void ev_iterate_available_keys(std::function<void(int)> f) {
+void ev_iterate_available_keys(const std::function<void(int)>& f) {
// Use unsigned long to match ioctl's parameter type.
unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; // NOLINT
unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)]; // NOLINT