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Mismatch on Enumerator#size result between JRuby and MRI #2553

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fmfdias opened this Issue Feb 2, 2015 · 0 comments

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commented Feb 2, 2015

Hi all,
Bumped into this situation yesterday.
When calling size on the enumerator returned by calling each_slice with no block, JRuby and MRI return different values.

MRI 2.1.5, 2.2.0:

irb(main):001:0> [1,2,3,4].each_slice(2).size
=> 2

JRuby 9.0.0.0.pre1

irb(main):001:0> [1,2,3,4].each_slice(2).size
=> nil

As a side note, rbx 2.5.2 also returns nil.

JRuby version:

jruby 9.0.0.0.pre1 (2.2.0p0) 2015-01-20 d537cab Java HotSpot(TM) 64-Bit Server VM 25.25-b02 on 1.8.0_25-b17 +jit [darwin-x86_64]

OS:

14.1.0 Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64 x86_64

Thank you

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