feat: Add a virtual function for extra output

1 files changed, 4 insertions, 0 deletions

diff --git a/src/Television.cpp b/src/Television.cpp
index cf60d73..35f1d46 100644
--- a/src/Television.cpp
+++ b/src/Television.cpp
@@ -14,3 +14,7 @@ Television* Television::fromCommandLine() {
 
 	return new Television(iwidth, iheight);
 }
+
+std::string Television::extraOutput() const {
+	return std::string();
+}