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Eighty-twenty about | sitemap Welcome. This is the weblog of Tony Garnock-Jones.
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Modelling Actors with Redex: Part III
This is the third part of a series of three articles on modelling actor-like systems 1 2 using PLT Redex . (The first sketch of this part of the series was written in August 2016, a day after the...
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Loading Ian Piumarta's Smalltalk terminal emulator code
Back in 2002/2003, Ian Piumarta wrote an "essentially complete" VT102 terminal emulator for Squeak Smalltalk . 1 Here are his unmodified original changesets, encoded using the MacRoman character set; these do not load directly into current Squeak images .
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Strict alternation of data and behaviour in Smalltalk
Smalltalk programs strictly alternate between data and behaviour. Messages (the only kind of data in Smalltalk) are implicit , constructed fresh at each point in the program method call syntax is used, and are shallow , meaning that the slots in each mess
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Multiple Continuations in Pattern Matching
Usually, method lookup results in a single body to execute. This is analogous to the way pattern matching usually tries patterns in order, selecting just one continuation to execute. What if, instead, we allowed all matching patterns from a bunch of alter
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