RefUtil more than you ever wanted to know about ref()

We all use ref($foo) eq $ref_type. It has two use-cases and it sucks for both. I wrote Ref::Util to address this. It's implemented in XS and as an op-code. In this talk I'll explain why ref() is wrong, what Ref::Util does, how it works, and cover both how it's written in both XS and in interpreter op-codes. We'll delve into internal Perl data types, XS, and operators.
Length: 50:30
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Recorded on 2016-08-24 at YAPC::Europe
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