Messages in this thread | | | From | Miguel Ojeda <> | Date | Sun, 26 Feb 2023 14:40:44 +0100 | Subject | Re: [PATCH 5/5] rust: error: Add from_kernel_result!() macro |
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On Sun, Feb 26, 2023 at 3:22 AM Boqun Feng <boqun.feng@gmail.com> wrote: > > Hmm.. looks like the `?` only "propagating them (the errors) to the > calling *function*": > > https://doc.rust-lang.org/reference/expressions/operator-expr.html#the-question-mark-operator > > , so this doesn't work as we expect: > > https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=64c9039e1da2c436f9f4f5ea46e97e90 > > Hope I didn't miss something subtle here..
There is `feature(try_blocks)` [1] for that:
https://play.rust-lang.org/?version=nightly&mode=debug&edition=2021&gist=8f40663d2ad51e04a13f2da5c4580fc0
[1] https://github.com/rust-lang/rust/issues/31436.
Cheers, Miguel
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