rspec/rspec-core — pull request #545 by weidenfreak (2011-12-27 16:36:52+00:00)
Title: metadata supports arrays for procs

in my case, and I suppose it's valid for all cases with procs, we want the proc to receive the complete array instead of being called for every single item.

@ineverov added support for arrays in metadata
see: a9dc8a1d36f0ed48a5358dcadf4e340a4f72c9f4

after a refactoring commit, it stopped working for procs
see: 571f189cb6ff2a79e8e94b38b462d9cd747d2fc5 (line 172)