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by autumn-antlers
1282 days ago
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Oh, and a note on why you'd want this: while you may be able to construct a superficially similar example by expecting call/cc to return a thunk and evaluating it at the call-site, you can't always control the call-site and might be using one continuation in multiple contexts. The try/catch implementation on page two of A Better API for First Class Continuations show-cases a specific use-case (albeit in the form of continuation-graft), though I'm still staring at it and trying to figure out if a few more parens and thunks wouldn't do the trick (more verbosely) in that context. |
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