On the other hand, it means any helper/builder has to handle this pattern on its... | Hacker News

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		masklinn on Oct 22, 2017 \| parent \| context \| favorite \| on: Implementing Go's defer keyword in C++ On the other hand, it means any helper/builder has to handle this pattern on its own rather than be able to return a file object which can be "context managed" by a caller, which Python allows.

RX14 on Oct 22, 2017 [–]

True, but it's fairly easy to write:

    def self.open
      File.open(...) { |f| yield f }
    end

Unless they need custom destructor actions, in which case presumably they'd have to implement that manually in python too.

masklinn on Oct 22, 2017 | [–]

Yup and yup.

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