Different emoji fonts can radically affect interpretation: https://grouplens.org/blog/investigating-the-potential-for-miscommunication-using-emoji/ (similar problems exist for ASCII smileys)
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I keep thinking about the parallels between type checkers and abstract interpretation.
E.g. abstract interpretation saying "this is one of two values, but I don't know which" feels very much like type checking a boolean.
Have any tools taken advantage of this?
Day 1 at @poplconf had a bunch of interesting talks at VMCAI (Verification, Model Checking, and Abstract Interpretation). https://popl20.sigplan.org/home/VMCAI-2020
Thread.
Idle thought: you can view a type system as just an abstract interpretation of code. `x = 1` can be abstracted as assuming that x is a number, then checking that numbers are appropriate wherever x is used.
