[vala] Require index setters to return void

[Jürg Billeter <juergbi src gnome org>]

commit aea80d5914ce9a09effec659998f03b0aa6993f6
Author: Jürg Billeter <j bitron ch>
Date:   Sat Jul 10 18:31:42 2010 +0200

    Require index setters to return void

 vala/valaelementaccess.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/vala/valaelementaccess.vala b/vala/valaelementaccess.vala
index 08fdeb3..3622a1d 100644
--- a/vala/valaelementaccess.vala
+++ b/vala/valaelementaccess.vala
@@ -1,6 +1,6 @@
 /* valaelementaccess.vala
  *
- * Copyright (C) 2006-2009  Jürg Billeter
+ * Copyright (C) 2006-2010  Jürg Billeter
  * Copyright (C) 2006-2008  Raffaele Sandrini
  *
  * This library is free software; you can redistribute it and/or
@@ -195,7 +195,7 @@ public class Vala.ElementAccess : Expression {
 			if (lvalue) {
 				var set_method = container.value_type.get_member ("set") as Method;
 				var assignment = parent_node as Assignment;
-				if (set_method != null && assignment != null) {
+				if (set_method != null && set_method.return_type is VoidType && assignment != null) {
 					return !error;
 				}
 			} else {