Rust | All Algorithms implemented in Rust | Learning library

 by   TheAlgorithms Rust Version: Current License: MIT

kandi X-RAY | Rust Summary

kandi X-RAY | Rust Summary

Rust is a Rust library typically used in Tutorial, Learning, Example Codes applications. Rust has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

All Algorithms implemented in Rust
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              Rust has a medium active ecosystem.
              It has 16253 star(s) with 1603 fork(s). There are 227 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 4 open issues and 45 have been closed. On average issues are closed in 30 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of Rust is current.

            kandi-Quality Quality

              Rust has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              Rust is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

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

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            Rust Key Features

            No Key Features are available at this moment for Rust.

            Rust Examples and Code Snippets

            No Code Snippets are available at this moment for Rust.

            Community Discussions

            QUESTION

            Why is Rust NLL not working for multiple borrows in the same statement?
            Asked 2022-Apr-12 at 00:43

            First, I tried something like this:

            ...

            ANSWER

            Answered 2022-Apr-12 at 00:43

            It is definitely an interesting one.

            They are similar - but not quite the same. resize() is a member of Vec. rotate_right(), on the other hand, is a method of slices.

            Vec derefs to [T], so most of the time this does not matter. But actually, while this call:

            Source https://stackoverflow.com/questions/71823410

            QUESTION

            Next failed to load SWC binary
            Asked 2022-Mar-22 at 05:46

            When trying to run the command using nextjs npm run dev shows error - failed to load SWC binary see more info here: https://nextjs.org/docs/messages/failed-loading-swc.

            I've tried uninstalling node and reinstalling it again with version 16.13 but without success, on the vercel page, but unsuccessful so far. Any tips?

            Also, I noticed it's a current issue on NextJS discussion page and it has to do with the new Rust-base compiler which is faster than Babel.

            ...

            ANSWER

            Answered 2021-Nov-20 at 13:57

            This worked as suggeted by nextJS docs but it takes away Rust compiler and all its benefits... Here is what I did for those who eventually get stuck...

            Step 1. add this line or edit next.json.js

            Source https://stackoverflow.com/questions/69816589

            QUESTION

            Emulate BTreeMap::pop_last in stable Rust
            Asked 2022-Mar-15 at 16:55

            In the current stable Rust, is there a way to write a function equivalent to BTreeMap::pop_last?

            The best I could come up with is:

            ...

            ANSWER

            Answered 2022-Mar-15 at 16:55

            Is there a way to work around this issue without imposing additional constraints on map key and value types?

            It doesn't appear doable in safe Rust, at least not with reasonable algorithmic complexity. (See Aiden4's answer for a solution that does it by re-building the whole map.)

            But if you're allowed to use unsafe, and if you're determined enough that you want to delve into it, this code could do it:

            Source https://stackoverflow.com/questions/71455966

            QUESTION

            Match ergonomics and & pattern
            Asked 2022-Mar-03 at 21:14

            Consider following code

            ...

            ANSWER

            Answered 2022-Mar-03 at 21:14

            You are correct, this is due to match ergonomics. The first case should hopefully be self explanatory, but the second and third cases can be a bit counter-intuitive.

            In the second case:

            • (x,) is a non-reference pattern (see the second example in the RFC). The t tuple reference is dereferenced, and x is bound as a ref as it also is a non-reference pattern. Note that t.0 was a reference to begin with, thus resulting in x being a double reference.

            • (&y,) is also a non-reference pattern. The t tuple is dereferenced again to a (&i32,). However, &y is a reference pattern being matched to a &i32 reference. Hence y is bound with move mode and is an i32.

            In the third case:

            • Using the same reasoning as the second case, u is dereferenced via Deref coercion to an (i32,), and x, a non-reference pattern, is bound in ref mode. Hence x is an &i32.

            • Again with the same reasoning as the second case, u is dereferenced to an (i32,). The &y reference pattern is then matched to an i32, a non-reference, which causes an error.

            Source https://stackoverflow.com/questions/71343407

            QUESTION

            What is the built-in `#[main]` attribute?
            Asked 2022-Feb-15 at 23:57

            I have been using the #[tokio::main] macro in one of my programs. After importing main and using it unqualified, I encountered an unexpected error.

            ...

            ANSWER

            Answered 2022-Feb-15 at 23:57

            #[main] is an old, unstable attribute that was mostly removed from the language in 1.53.0. However, the removal missed one line, with the result you see: the attribute had no effect, but it could be used on stable Rust without an error, and conflicted with imported attributes named main. This was a bug, not intended behaviour. It has been fixed as of nightly-2022-02-10 and 1.59.0-beta.8. Your example with use tokio::main; and #[main] can now run without error.

            Before it was removed, the unstable #[main] was used to specify the entry point of a program. Alex Crichton described the behaviour of it and related attributes in a 2016 comment on GitHub:

            Ah yes, we've got three entry points. I.. think this is how they work:

            • First, #[start], the receiver of int argc and char **argv. This is literally the symbol main (or what is called by that symbol generated in the compiler).
            • Next, there's #[lang = "start"]. If no #[start] exists in the crate graph then the compiler generates a main function that calls this. This functions receives argc/argv along with a third argument that is a function pointer to the #[main] function (defined below). Importantly, #[lang = "start"] can be located in a library. For example it's located in the standard library (libstd).
            • Finally, #[main], the main function for an executable. This is passed no arguments and is called by #[lang = "start"] (if it decides to). The standard library uses this to initialize itself and then call the Rust program. This, if not specified, defaults to fn main at the top.

            So to answer your question, this isn't the same as #[start]. To answer your other (possibly not yet asked) question, yes we have too many entry points.

            Source https://stackoverflow.com/questions/71024443

            QUESTION

            Difference between `cargo doc` and `cargo rustdoc`
            Asked 2022-Feb-15 at 14:32

            According to doc.rust-lang.org

            build[s] a package's documentation, using specified custom flags

            build[s] a package's documentation

            What is the difference between the two? From what I understand cargo rustdoc is just like cargo doc, but it allows for more lints—for instance:

            ...

            ANSWER

            Answered 2022-Jan-11 at 21:00

            Their relationship is like between cargo build and cargo rustc: cargo doc performs all the usual work, for an entire workspace, including dependencies (by default). cargo rustdoc allows you to pass flags directly to rustdoc, and only works for a single crate.

            Here is the execution code for cargo rustdoc. Here is the code for cargo doc. The only differences is that cargo rustdoc always specify to not check dependencies while cargo doc allows you to choose (by default it does, but you can specify the flag --no-deps), and that cargo rustc allows you to pass flags directly to rustdoc with the flags after the --.

            Source https://stackoverflow.com/questions/70673143

            QUESTION

            Unable to specify `edition2021` in order to use unstable packages in Rust
            Asked 2022-Feb-02 at 07:05

            I want to run an example via Cargo but I am facing an error:

            ...

            ANSWER

            Answered 2021-Dec-14 at 14:09

            Update the Rust to satisfy the new edition 2021.

            rustup default nightly && rustup update

            Thanks to @ken. Yes, you can use the stable channel too!

            But I love nightly personally.

            Source https://stackoverflow.com/questions/69848319

            QUESTION

            What is the idiomatic way to do something when an Option is either None, or the inner value meets some condition?
            Asked 2022-Jan-28 at 08:44

            Is there a more idiomatic way to express something like the following?

            ...

            ANSWER

            Answered 2022-Jan-27 at 07:32

            There are many ways to do it. One of the simplest (and arguably most readable) is something like this:

            Source https://stackoverflow.com/questions/70859478

            QUESTION

            What is the official Rust guidance for interoperability with C++, in particular passing and returning structs as arguments?
            Asked 2022-Jan-26 at 23:08

            I'm trying to adapt some layers of existing C++ code to be used by Rust and apparently the way is through a C API.

            For example, one function might return a struct as an object

            ...

            ANSWER

            Answered 2022-Jan-21 at 01:15

            extern "C" on both sides + #[repr(C)] on the Rust side + only using C-compatible types for interfacing between C++ and Rust, should work.

            Alternatively, see cxx and autocxx.

            Source https://stackoverflow.com/questions/70794769

            QUESTION

            Why does iteration over an inclusive range generate longer assembly in Rust?
            Asked 2022-Jan-15 at 11:19

            These two loops are equivalent in C++ and Rust:

            ...

            ANSWER

            Answered 2022-Jan-12 at 10:20

            Overflow in the iterator state.

            The C++ version will loop forever when given a large enough input:

            Source https://stackoverflow.com/questions/70672533

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

            Vulnerabilities

            No vulnerabilities reported

            Install Rust

            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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