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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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migrated from Jan 31 '11 at 9:18

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This should probably be on – joshcomley Jan 31 '11 at 9:16
please move it.. – Srinivas Reddy Thatiparthy Jan 31 '11 at 9:17
Also, I doubt there is any single answer; but: cost of time to implement, necessity, usefulness, complexity, "gut", time scales, release schedules, whim, ... – Marc Gravell Jan 31 '11 at 9:17
@Marc do all your points apply to opensource languages as well? – Srinivas Reddy Thatiparthy Jan 31 '11 at 9:24
why wouldn't it? all the factors are the same... – Marc Gravell Jan 31 '11 at 9:25
up vote 5 down vote accepted

Why not read language designer's blogs?

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.

These aren't hard to find.

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