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How do language designers decide when a feature should go in a library as an extension or when it needs to have support from the core language?

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    This should probably be on programmers.stackexchange.com
    – joshcomley
    Jan 31, 2011 at 9:16
  • please move it.. Jan 31, 2011 at 9:17
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    Also, I doubt there is any single answer; but: cost of time to implement, necessity, usefulness, complexity, "gut", time scales, release schedules, whim, ... Jan 31, 2011 at 9:17
  • @Marc do all your points apply to opensource languages as well? Jan 31, 2011 at 9:24
  • why wouldn't it? all the factors are the same... Jan 31, 2011 at 9:25

1 Answer 1

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Why not read language designer's blogs?

http://neopythonic.blogspot.com/

http://nighthacks.com/roller/jag/entry/time_to_move_on

I'm sure you could find some language designers and read their blogs.

Also, for many languages under active development, there are wikis, discussion forms and -- in some cases -- a formal "community" process. All of which you can read.

http://jcp.org/en/home/index

http://www.python.org/dev/peps/

These aren't hard to find.

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