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Create a string type that represents either ~str or &'static str #6874

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Create a string type that represents either ~str or &'static str#6874
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A-runtimeArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflowsE-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

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@brson
brson
opened on Jun 1, 2013

There are a few places in the runtime where it is nice to pass strings around to identify things, and many but not all the strings are known statically. Examples include failure messages, logging messages, task names, test names, condition and error messages.

Failure already does this using the FailureWithCause trait, which could be refactored into a single function over this string type. std::test does similar optimizations.

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  1. catamorphism commented on Sep 23, 2013

    @catamorphism
    catamorphism
    on Sep 23, 2013
    Contributor

    A "String" trait, perhaps?

  2. alexcrichton commented on Sep 23, 2013

    @alexcrichton
    alexcrichton
    on Sep 23, 2013
    Member

    This is actually implemented as SendStr in src/libstd/send_str.rs, added in 76c3e8a, closing

  3. alexcrichton
    closed this as completedon Sep 23, 2013
  4. flip1995
    added a commit that references this issue on Mar 11, 2021

    Auto merge of rust-lang#6873 - Y-Nak:refactor-casts-lint, r=flip1995

    3ed0bcc
  5. flip1995
    added a commit that references this issue on Mar 25, 2021

    Auto merge of rust-lang#6895 - iobtl:reformat_unnecessary_cast, r=llogiq

    52c25e9
  6. U007D
    added a commit that references this issue on Aug 21, 2026

    Merge rust-lang#6874

    34f7b53
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    A-runtimeArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflowsE-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

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