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Languages | Don Hopkins

Languages

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Alan Kay on Programming Languages

Alan Kay wrote:

It's hard to point to any programming language for beginners that has a really great form. One thing that has consistently worked is "close to natural language but clearly not natural language". That is, it really helps if the gist-view of a program is a kind of metaphor for what it does, even if one has to think harder about the detailed meaning. For children, Hypercard was OK in many respects for the gist-view, but was too like English for both deep understanding and for programming (many children had a hard time getting past the idea that Hypercard couldn't understand and do any reasonable English sentence). This was debated endlessly in Logo circles, and Logo wound up going from a much more English-like syntax to one much more like Lisp (this was a big mistake in my view). Finding the balance between these is critical, because it governs how much brain is left to the learner to think about content rather than form. And for most learners, it is the initial experiences that make the difference for whether they want to dive in or try to avoid future encounters.

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