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A comment on What's New in Ruby 2.1 [pdf]. Parent comment

Re:What's New in Ruby 2.1 [pdf] by matsadler on Wednesday November 27, 2013 @11:16AM (#6808902)
#reachable_objects_from was added in 2.0, and I think #memsize_of was introduced in one of the 1.9 releases. The documentation is new though.

I wrote a little about them here: http://globaldev.co.uk/2013/03/ruby-2-0-0-in-detail/#id6

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Re:What's New in Ruby 2.1 [pdf] by conorh on Wednesday November 27, 2013 @01:54PM (#6810238)
Ah nice, thanks, missed the part about requiring "objspace" to mix them in and assumed they would be on the already existing ObjectSpace module.
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