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The boundaries of duck typing and how to properly read Ruby's documentation

dieses Thema wird vorgestellt von & 0x0F

bei Ruby Usergroup Hamburg - November 2016, gehostet durch Ruby Usergroup HH

A short lesson to A) not rely on undocumented behaviour and B) duck typing fails in spectacular ways in some grey areas of Ruby.

I've learned this lesson the hard way, by debugging someone else's code that behaved pretty erratically from my point of view.