Fix ESP32 compilation (#109)

Aircoookie · Apr 13, 2020 · 2166a0f · 2166a0f
1 parent d27bf16
commit 2166a0f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/EspalexaDevice.h b/src/EspalexaDevice.h
@@ -2,6 +2,7 @@
 #define EspalexaDevice_h
 
 #include "Arduino.h"
+#include <functional>
 
 typedef class EspalexaDevice;