Other than some abstract fear of tie, what's wrong with Interpolation? As implemented, you could easily Memoize the subroutine you bind as your handler. You can even easily bind two versions, one that memoizes and another that does not. -- Free map of local environmental resources: http://CambridgeMA.GreenMap.org -- MOTD on Sweetmorn, the 73rd of Discord, in the YOLD 3176: Walls impede my progress
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