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Pre-RFC on IRLO
Raw OS handles such as
RawFdandRawHandlehave hazards similar to raw pointers; they may be bogus or may dangle, leading to broken encapsulation boundaries and code whose behavior is impossible to bound in general.Introduce a concept of I/O safety, and introduce a new set of types and traits, led by
OwnedFdandBorrowedFd, to support it.[Edited to reflect changes to the RFC].
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