Attached patch fixes 4 unused local variable warnings, and possibly a bug in ExpressionTreeVisitor. For BinaryExpression node, return value of visiting node.Conversion was not passed. Isn''t that a bug? All warnings were found by Mono C# compiler. -- Seo Sanghyeon -------------- next part -------------- A non-text attachment was scrubbed... Name: warning1.diff Type: text/x-diff Size: 2455 bytes Desc: not available URL: <http://rubyforge.org/pipermail/ironruby-core/attachments/20080815/7b24bee8/attachment.bin>