Tcl's magic is mainly from uplevel and upvar as they allow you to do crazy stuff... | Hacker News

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		talideon on Sept 26, 2024 \| parent \| context \| favorite \| on: Tcl 9.0 Tcl's magic is mainly from uplevel and upvar as they allow you to do crazy stuff with the callstack to enable all kinds of metaprogramming. It's not a lot of magic, but it's very powerful.

smrtinsert on Sept 26, 2024 [–]

It's a lot of magic. New control structures mean dsls are as easy as thinking about them

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