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Apr 20, 2022 at 07:34
Autocomplete for keywords is a surprisingly nuanced problem. public | In this case you need to work out what keywords can appear next, and there may be multiple valid syntaxes! public | function In this case you want to narrow the modifiers based on context before and after.

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Mar 2, 2019 at 00:47
Metalinks in Pharo: https://www.slideshare.net/mobile/MarcusDenker/lecture-advanced-reflection-metalinks This is an elegant way of taking the AST of running code and attaching modifiers to it: logging, tracing, override (think advice or AOP). Pharo feels like the most open, dynamic language I've seen outside of f-expression based PLs.