Added c++ test; now works

evolve-die-repeat/debug_label.gd

@@ -0,0 +1,13 @@
+extends Label
+
+var counter := Test.new()  # C++ class
+
+func _ready() -> void:
+	text += str(counter.get_counter())
+
+func _process(delta: float) -> void:
+	#if Input.is_action_just_pressed("ui_accept"):
+	counter.increment()
+	var baseText := text
+	baseText = baseText.left(baseText.length() - str(counter.get_counter()).length())
+	text = baseText + str(counter.get_counter())