src: make AUnaryopExpr abstract

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/parser/parser_nodes.nit b/src/parser/parser_nodes.nit
index 06a18a2..1f6362a 100644 (file)
--- a/src/parser/parser_nodes.nit
+++ b/src/parser/parser_nodes.nit
@@ -2189,7 +2189,7 @@ class AAmpExpr
 end
 
 # A unary operation on a method
-class AUnaryopExpr
+abstract class AUnaryopExpr
        super ASendExpr
 
        # The operator