> Closures in any language do not affect the control flow of their containing function. This isn't true, and it's a damn shame that it is so close to being tru

> Closures in any language do not affect the control flow of their containing function. This isn't true, and it's a damn shame that it is so close to being true. The biggest feature I miss from Common Lisp is that closures capture blocks and tags, and this is but the simplest form of cross-function control flow available in PL design. Algebraic effects are the next big thing.