Hierarchy of Syntactic Controversy with examples from well-known languagespic.twitter.com/5upXAW5Cr7
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My hypothesis is that macros + single character user prefix and infix operators as macros it the sweet spot.
Anything further lacks a fixed syntax, but is constrained by an initial fixed syntax up to the point of syntax library inclusions.
Going further, macros + eval (runtime typed partial evaluator) means you can implement a totally uncostrained DSL syntax in code.
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