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Always compute Enumerable#count through enumeration for 1.9+ #979

merged 1 commit into from Aug 31, 2013


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@dmarcotte dmarcotte commented Aug 30, 2013

Looks like MRI dropped the #size optimization in #count in 1.9.2. Comparing the 1.8 doc to the 2.0 doc also shows this is the intended behavior (interestingly, the 1.9 doc seems to be out of date)

Update to match that behavior (also fixes #922).

Starting in 1.9, #count is always computed through enumeration
headius added a commit that referenced this pull request Aug 31, 2013
Always compute Enumerable#count through enumeration for 1.9+
@headius headius merged commit a4f8fca into jruby:master Aug 31, 2013
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@headius headius commented Aug 31, 2013

Thanks! Do you think you'll be able to look into enumerator_with_size logic too?

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@dmarcotte dmarcotte commented Sep 1, 2013

Absolutely. Might be a couple of weeks before I can send it, but it's definitely coming.

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