projects: update some short descriptions

[nit.git] / lib / mnit_input.nit

diff --git a/lib/mnit_input.nit b/lib/mnit_input.nit
index 58864e4..ea035b3 100644 (file)
--- a/lib/mnit_input.nit
+++ b/lib/mnit_input.nit
@@ -66,7 +66,7 @@ interface KeyEvent
        fun is_down: Bool is abstract
 
        # Key is currently up?
-       fun is_up: Bool is abstract
+       fun is_up: Bool do return not is_down
 
        # Key is the up arrow key?
        fun is_arrow_up: Bool is abstract