Add Keyboard variant to canvas::Event

examples/bezier_tool/src/main.rs

@@ -143,6 +143,7 @@ mod bezier {
                     }
                     _ => None,
                 },
+                _ => None,
             }
         }
 

examples/game_of_life/src/main.rs

@@ -413,6 +413,7 @@ mod grid {
                     },
                     _ => None,
                 },
+                _ => None,
             }
         }