Changed the default stateForPressed and fixed example

examples/buttonClass/buttonClass.ino

@@ -18,7 +18,7 @@
 #define BUTTON_PIN_B 3
 
 
-#define LED_PIN 13
+#define LED_PIN LED_BUILTIN
 
 // Instantiate a Button object
 Button buttonA = Button(); 
@@ -50,12 +50,10 @@ void loop() {
   buttonB.update();
 
 
-  // TURN ON LED IF EITHER BUTTON IS PRESSED
+  // TOGGLE THE LED IF EITHER BUTTON IS PRESSED
   if ( buttonA.pressed()  || buttonB.pressed()  ) {
-    digitalWrite(LED_PIN, HIGH );
+    digitalWrite(LED_PIN,  !digitalRead(LED_PIN)  );
   } 
-  else {
-    digitalWrite(LED_PIN, LOW );
-  }
+
 
 }

src/Bounce2.h

@@ -215,10 +215,10 @@ class Bounce
      */
 class Button : public Bounce{
 protected:
-    bool stateForPressed = 0;
+    bool stateForPressed = 1; // 
 public:
 	/*!
-    @brief  Create an instance of the Button class.
+    @brief  Create an instance of the Button class. By default, the pressed state is matched to a HIGH electrical level.
 
     @code
 
@@ -230,7 +230,7 @@ public:
     Button(){ }
     
     /*!
-    @brief Set the electrical state (HIGH/LOW) that corresponds to a physical press.
+    @brief Set the electrical state (HIGH/LOW) that corresponds to a physical press. By default, the pressed state is matched to a HIGH electrical level.
             
     @param    state
               The electrical state (HIGH/LOW) that corresponds to a physical press.