[RingBugffer]\n- added operators\n- Remove get() and put()

delay/tests/test_ringbuffer.cpp

@@ -6,12 +6,16 @@ int main()
 {
 	dsp::RingBuffer<int> buffer(10);
 	printf("Buffer capacity = %zu\n", buffer.capacity());
-	for (int i; i < 10; i++)
+	for (int i=0; i < 10; i++)
 	{
-		buffer.put(i+1);
-		int v = buffer.get(2);
-		printf("i=%d: v=%d\n", i, v);
+		buffer[i] = i+1;
+	}
+	buffer += 5;
 
+	for (int i=-5; i < 5; i++)
+	{
+		int v = buffer[i];
+		printf("i=%d: v=%d\n", i, v);
 	}