[llvm] r264425 - [Object] Start threading Error through MachOObjectFile construction.

Rafael EspĂ­ndola via llvm-commits llvm-commits at lists.llvm.org
Sun Mar 27 09:51:55 PDT 2016

> Yeah - this will be pretty rare, and I want it to be ugly - nobody should
> use a pre-checked error except for the error-as-out-parameter idiom.
> Actually Error::errorAsOutParameter() sounds good. :)

And even that is only for constructors, right? Otherwise one should
use Expected.

In fact, using an std::error_code (or equivalent) as a parameter of
constructed always looked a bit odd IMHO. With good move constructors
we should be able to have trivial private constructors and always use
an static create method that returns an ErrorOr (or equivalent).


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