The line between 'group chat' tool and 'web forum' seems increasingly blurry. What are the essential differences?
The ability to edit? "$USER is typing" information? Threading? Simply the culture around the tool?
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@RenewedRebecca That's correct, but I was thinking that offering threading to a user might make them more tolerant of a slow interpreter.
For example, if I have an AST walker but provide Clojure semantics, users can hopefully get a big speedup by using all the cores in their application.
I was slightly shocked when a Common Lisper first pointed out to me that macros are syntactic. For example, threading macros aren't limited to function composition.
(->> "UTC"
(current-time-string (current-time))
(lambda ()))
This elisp is building a closure!
-<>> (aka 'diamond wand') is a cute variant of threading macros, allowing you to specify where the arg is passed: