RuboCop and Parser make it easy to statically process and rewrite Ruby. This code rewrites methods to use `*arguments` instead of `*args`.pic.twitter.com/ABlGyGTaqN
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Clang has something similar. It is generally great direction to go 
Nice. If I can easily see the AST for any sample code (for Ruby I can do ruby-parse -e 'foo(bar)') then AST rewrites sound way better!
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