scopeguard | Rust crate for a convenient RAII scope guard

 by   bluss Rust Version: v1.1.0 License: Apache-2.0

kandi X-RAY | scopeguard Summary

kandi X-RAY | scopeguard Summary

scopeguard is a Rust library. scopeguard has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Rust crate for a convenient RAII scope guard.
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            kandi-support Support

              scopeguard has a low active ecosystem.
              It has 314 star(s) with 17 fork(s). There are 9 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 7 open issues and 8 have been closed. On average issues are closed in 70 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of scopeguard is v1.1.0

            kandi-Quality Quality

              scopeguard has 0 bugs and 0 code smells.

            kandi-Security Security

              scopeguard has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              scopeguard code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              scopeguard is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              scopeguard releases are not available. You will need to build from source code and install.

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            scopeguard Key Features

            No Key Features are available at this moment for scopeguard.

            scopeguard Examples and Code Snippets

            No Code Snippets are available at this moment for scopeguard.

            Community Discussions

            QUESTION

            Rust: the same code compiles with warning or fails with error
            Asked 2022-Jan-09 at 14:02

            I'm trying to follow this tutorial on Windows with

            ...

            ANSWER

            Answered 2022-Jan-09 at 14:02

            The behaviour of the panic! macro changed a bit with the Rust 2021 edition, to make it more consistent with other format family macros. An entire chapter of the migration guide is dedicated to this.

            The fix, and the link with the detailed information is also indicated in the error message you get:

            Source https://stackoverflow.com/questions/70640990

            QUESTION

            How to fix `previous closure requires unique access` error?
            Asked 2021-Sep-28 at 13:28

            I have the following code:

            ...

            ANSWER

            Answered 2021-Sep-28 at 13:28

            Given the constraints, I'd go with the obvious solution, a RefCell. It has a bad rap of being overused, but is actually designed for scenarios like this one. Using RefCell without an Rc is a good sign of doing it right.

            RefCell allows the guard to capture the value by shared reference, which leaves it available for your use:

            Source https://stackoverflow.com/questions/69360295

            QUESTION

            Why does a panic while panicking result in an illegal instruction?
            Asked 2021-Sep-26 at 01:13

            Consider the following code that purposely causes a double panic:

            ...

            ANSWER

            Answered 2021-Sep-26 at 01:13

            This behavior is intended.

            From a comment by Jonas Schievink in Why does panicking in a Drop impl cause SIGILL?:

            It calls intrinsics::abort(), which LLVM turns into a ub2 instruction, which is illegal, thus SIGILL

            I couldn't find any documentation for how double panics are handled, but a paragraph for std::intrinsics::abort() lines up with this behavior:

            The current implementation of intrinsics::abort is to invoke an invalid instruction, on most platforms. On Unix, the process will probably terminate with a signal like SIGABRT, SIGILL, SIGTRAP, SIGSEGV or SIGBUS. The precise behaviour is not guaranteed and not stable.

            Curiously, this behavior is different from calling std::process::abort(), which always terminates with SIGABRT.

            The illegal instruction of choice on x86 is UD2 (I think a typo in the comment above) a.k.a. an undefined instruction which is paradoxically reserved and documented to not be an instruction. So there is no corruption or invalid jump, just a quick and loud way to tell the OS that something has gone very wrong.

            Source https://stackoverflow.com/questions/69331112

            QUESTION

            Throwing destructor causes memory leak
            Asked 2021-Jun-30 at 15:32

            This code

            ...

            ANSWER

            Answered 2021-Jun-30 at 15:32

            Seems like a bug, already reported and fixed for gcc: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66139

            I suppose, std::shared_ptr<> is partially created during exception throw

            As a workaround, you could prevent copy elision:

            Source https://stackoverflow.com/questions/68196695

            QUESTION

            Why would a cross-compilation build fail on openssl when openssl is not in the dependency graph?
            Asked 2020-Dec-01 at 14:51

            When building my Rust lambda using cross, I get this error:

            ...

            ANSWER

            Answered 2020-Nov-30 at 19:46

            Reqwest lists OpenSSL as a requirement on Linux due to it using native-tls, which depends on openssl. You need to install the pkg-config and libssl-dev packages:

            Source https://stackoverflow.com/questions/65079343

            QUESTION

            pip install fastapi[all] is failing due to a rust component?
            Asked 2020-Jun-15 at 05:22

            Hi I'm trying to install fastapi, but it seems to be failing when im installing orjson

            Here is the full error code:

            ...

            ANSWER

            Answered 2020-Jun-15 at 05:22

            The problem is quite clear:

            Your Rust target architecture (64-bit) does not match your python interpreter (32-bit)

            Either upgrade your Python interpreter to 64 bit, or use rustup to install a 32 bit Rust target

            Edit: Here is how you could manually target 32 bit on a x86_64 machine

            Source https://stackoverflow.com/questions/62381752

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install scopeguard

            You can download it from GitHub.
            Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            https://github.com/bluss/scopeguard.git

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            gh repo clone bluss/scopeguard

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            git@github.com:bluss/scopeguard.git

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