parser: `Visitor::visit` does not accepts `null`

[nit.git] / src / scope.nit

diff --git a/src/scope.nit b/src/scope.nit
index 5197c19..9499312 100644 (file)
--- a/src/scope.nit
+++ b/src/scope.nit
@@ -114,7 +114,7 @@ private class ScopeVisitor
                return null
        end
 
-       redef fun visit(n: nullable ANode)
+       redef fun visit(n)
        do
                n.accept_scope_visitor(self)
        end