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Pick a language that allows users to define their own control structures and test your idea in practise. Candidates: Racket, Scheme, Rust.

• k__ 1y ago
  You don't even have to got that far. Defining your own iterator would be enough for most cases.
  • scotty79 1y ago
    The point is not to do that.
• scotty79 1y ago
  I think Scala is also close. It has really flexible syntax.