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Growing a Language, by Guy Steele

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Further reading 1

What can a language express, and what can it guarantee? →Factorial can be written without naming the function. That trick raises a harder question: if every program must terminate, can unrestricted recursion be allowed? Take that distinction into slides, libraries and language extensions.This video helps answer · Can libraries grow a language?

Caption notes

Steele uses restricted vocabulary to demonstrate why a language needs mechanisms for its users to grow it, alongside conventions for selecting useful extensions.

Original passages · 6
I need to design a language that can grow.
Growing a Language, by Guy Steele · ▶ 13:18–13:20
the new words defined by a library should look just like the primitives
Growing a Language, by Guy Steele · ▶ 23:25–23:32
the plan can change in real time to meet the needs
Growing a Language, by Guy Steele · ▶ 27:27–27:33
the rest can be done with libraries, most of them built by users
Growing a Language, by Guy Steele · ▶ 48:10–48:25
I need to design a language that can grow
Growing a Language, by Guy Steele · ▶ 13:18–13:20
No one knew all of PL/I
Growing a Language, by Guy Steele · ▶ 15:39–15:44

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