Hi, n In message "Re: [ruby-core:39986] problems with Refinements" on Thu, 6 Oct 2011 23:03:17 +0900, Shugo Maeda <shugo / ruby-lang.org> writes: |BTW, is performance the only problem, Matz? |Don't we need local rebinding? I don't think so. I admit there's need for local rebinding for some cases, but we can always use monkey patching for that purpose. matz.