rust_sandbox | Fundamentals of the Rust language | Dataset library

by bradtraversy Rust Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | rust_sandbox Summary

rust_sandbox is a Rust library typically used in Artificial Intelligence, Dataset applications. rust_sandbox has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Fundamentals of the Rust language

Support

Quality

Security

License

Reuse

Support

rust_sandbox has a low active ecosystem.

It has 209 star(s) with 73 fork(s). There are 6 watchers for this library.

It had no major release in the last 6 months.

rust_sandbox has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of rust_sandbox is current.

Quality

rust_sandbox has 0 bugs and 0 code smells.

Security

rust_sandbox has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

rust_sandbox code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

rust_sandbox does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

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

Installation instructions, examples and code snippets are available.

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rust_sandbox Key Features

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rust_sandbox Examples and Code Snippets

No Code Snippets are available at this moment for rust_sandbox.

Community Discussions

Trending Discussions on rust_sandbox

Rust type mismatch but only if I don't use a type annotation

Alternative to equality constraints for associated types

QUESTION

Rust type mismatch but only if I don't use a type annotation

Asked 2021-Nov-08 at 18:43

Motivation

I want to read a stream of values for multiple files on disc. These might be CSV files, or tab-separated, or some proprietary binary format. Therefore I want my function that handles reading multiple files to take the Path -> Iterator function as an argument. If I understand correctly, in Rust I need to box the iterator, and the function itself, since they're unsized. Therefore my reading function should be (I'm just using i32 as a simple proxy for my data here):

...

ANSWER

Answered 2021-Nov-08 at 18:39

Pointers to dynamically sized types (DSTs) like Box> are "fat". A Box> is not a pointer to a DST (as the size of IntoIter is known), and hence can be a "thin" pointer simply pointing to the instance of IntoIter on the heap.

The creation and usage of a fat pointer is more expensive than that of a thin pointer. This is why, as @Aplet123 mentioned, you need to explicitly tell the compiler somehow (via type annotations or an as cast) that you want to cast the thin Box> pointer generated by your closure to a fat Box> pointer.

Note that if you remove the let binding and create the closure in the argument list of the foo function call, then the compiler makes the closure must return a fat pointer because of the argument type expected by foo.

Source https://stackoverflow.com/questions/69887307

QUESTION

Alternative to equality constraints for associated types

Asked 2021-Feb-25 at 00:40

I'm trying to write this in Rust:

...

ANSWER

Answered 2021-Feb-25 at 00:18

You can "extract" the associated type:

Source https://stackoverflow.com/questions/66359551

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

Vulnerabilities

No vulnerabilities reported

Install rust_sandbox

Un-comment the file function to run.

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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