try_trait_v2: A new design for the ? desugaring · RFC#3058

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  • rfcs

    RFCs for changes to Rust (by scottmcm)

  • The examples in https://github.com/scottmcm/rfcs/blob/do-or-do-not/text/0000-try-trait-v2.md#avoiding-interconversion-with-a-custom-holder don't actually work on nightly today -- there's no way to prevent MyResult and Result from interoperating, and try_find can't return anything but Result today. I could probably be clearer about that, though...

  • rfcs

    RFCs for changes to Rust

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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  • rust

    Empowering everyone to build reliable and efficient software.

  • I agree that bad overloadings of ? could be unreadable, but that's true of essentially all operators (or even functions, if their names are bad enough). It'll require care from library authors to pick the ones that are worth it. For example, the libs team has already expressed "unease" at some of the ones that have been proposed in the past, so those are unlikely to happen. (Barring additional information showing that they'd be worth it.)

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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