rust doc attribute

your coworkers to find and share information. These appear inside of the item they describe, usually a module. @nrc I think that would be a good idea since putting a separate file for each item seems excessive and it might be nicer on a per module basis. doc comments: Less attribute mimicking Make sure doc comments are not converted into intermediate meta-items, or not mixed with `doc(inline)` or something like that. An attribute is metadata applied to some module, crate or item. in its own namespace. There are many different crate attributes, but the feature crate attribute ( #! The first segment of the attribute path is the name of This probably won't cause any issues in the real world, but related to the discussion above about dependency tracking, I noticed that #[doc(include="file")] doesn't wind up in the dependency info output by rustc --emit=dep-info, which doesn't seem right. Derive. The #[doc] attribute. It is not possible to just have general custom attributes (attributes which are not Derive), at least not in stable Rust. #[doc = " This is a doc comment."] Rust has six types of attributes.

the tool.When a tool is not in use, the tool's attributes are accepted without a

Modules path — Specifies the filename for a module. doc — Specifies documentation. It's an alternative to Rust by Example that works with your own environment. Contribute to lbonn/rust development by creating an account on GitHub. In particular, arguments of the Outer attributes like #[repr(transparent)].

The grammar of attributes in Rust is very flexible, which makes the // Rustdoc will inline documentation of a `pub use` into this crate when the // `pub use` reaches across crates, but this behavior can also be disabled. When the tool is in use, the tool is responsible for processing and (The lines prefixed with # get hidden in the output, but included, sans the marker, in the code that gets compiled for the doc test.) Usually in markdown a section is denoted with something like # or ## you could even use the ---notation to split things up per section. I'm writing a Rust library and I want to provide examples in my documentation that. a safe, concurrent, practical language. This means that these two are the same: /// This is a doc comment. the tool, with one or more additional segments whose interpretation is up to - rust-lang/rust For consistency with `Attribute::has_name` which doesn't mark the attribute as used either. This means that these two are the same: /// This is a doc comment. Attributes other than macro attributes also allow the input to be an equals Inner attributes like #![feature(proc_macro)]. Rollup of 5 pull requests #67291.

These appear outside or in front of the item they describe.
Attribute macros - #[CustomAttribute] Procedural macros allow you to run code at compile time that operates over Rust syntax, both consuming and producing Rust syntax. (Note the leading space in the attribute version.)

As for std, there is an implied #[macro_use] extern crate std; in all crates that lack the #!
no_implicit_prelude — Disables prelude lookups within a module. The Unstable Book contains a list of feature flags and brief documentation on what they do. This metadata can be used to/for: conditional compilation of code; set crate name, version and type (binary or library) disable lints (warnings) enable compiler features (macros, glob imports, etc.) Outer doc comments like /// # Example. With Rust 1.15.0, it is now possible to have Custom Derive, and here's a small tutorial.. Replace all uses of `check_name` with `has_name` outside of rustc Stack Overflow works best with JavaScript enabled This attribute is used by the standard library to provide a way to generate The #[doc] attribute lets you control various aspects of how rustdoc does its job. delimited token tree whose interpretation is defined by the attribute. Uses borrowed data to replace owned data, usually by cloning. Procedural macros must be defined in a crate with the crate type of proc-macro. Limits Especially, we use these doc attributes while we need to set controls on rustdoc.

(In practice, since doc comments presumably don't affect the compiler output, it probably wouldn't cause any actual correctness problems).

If reading multiple hundreds of pages about a language isn’t your style, then Rust By Example has you covered. The derive attribute allows new items to be automatically generated for data structures.

The Rust Reference. Featured on Meta as a Parse the arguments to the attribute as a syntax tree.Parse the arguments to the attribute using the given parser.Parses zero or more outer attributes from the stream.Parses zero or more inner attributes from the stream.Creates owned data from borrowed data, usually by cloning. Private self-hosted questions and answers for your enterpriseProgramming and related technical career opportunitiesAs a side-note, newer (nightly) builds of Rust have enabled this feature by default, so updating Rust will also remove your problem.

OpenSimplex noise algorithm implementation in Rust 32 minutes ago stellar-base-0.4.1 Low level Stellar types 35 minutes ago quiqr-0.1.0 A tool for quickly generating a QR code and displaying it on screen. The test attribute. In the following example, each comment is equivalent to relevant doc attribute.

Inner doc comments like //! By clicking “Post Your Answer”, you agree to our To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The creation of a single file in rust-docs requires 18 “syscalls”: Do the Rustlings course! The doc attribute can also be used to control how rustdoc emits documentation in some cases. warning. The following grammar rules show some commonly used The Overflow Blog I did some testing of Rustup on Windows with ProcessMonitor capturing all file events. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under I.e., have cargo run compile-and-run some doc tests but completely ignore some ... specifically the chapter about attributes. Preludes no_std — Removes std from the prelude. Attributes. #[doc = " …

This is covered in The Rust Programming Language, first edition. The most basic function of #[doc] is to handle the actual documentation text.

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