[ruby-core:69556] [Ruby trunk - Feature #11007] Prime.each.with_index should accept offset

Issue #11007 has been updated by Marc-Andre Lafortune.


Committed, thank you very much for the patch.

Found a small bug, btw, it's important to pass arguments to `enum_for`. Maybe you started from `with_object` that had the same problem (even worse there, since that argument is mandatory!). Also, enumerators should provide a way to calculate size lazily when possible (GH#931).

All good now :-)

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Feature #11007: Prime.each.with_index should accept offset
https://bugs.ruby-lang.org/issues/11007#change-52890

* Author: T Yamada
* Status: Open
* Priority: Normal
* Assignee: Marc-Andre Lafortune
----------------------------------------
I'd like to execute following code:

~~~
Prime.each(10).with_index(1){|e,i|
  print i,' ',e,"\n"
}
~~~

Expected output:

~~~
1 2
2 3
3 5
4 7
~~~

I have attached a patch.

---Files--------------------------------
prime.diff (1.09 KB)
prime_2.diff (1.2 KB)


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