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Rust Search Extension
Testimonial FAQ Changelog Privacy Github


THE ULTIMATE SEARCH EXTENSION FOR RUST


SEARCH DOCS, CRATES, BUILTIN ATTRIBUTES, OFFICIAL BOOKS, AND ERROR CODES, ETC IN
YOUR ADDRESS BAR INSTANTLY. INPUT KEYWORD RS THEN PRESS SPACE TO GET STARTED.
JUST THAT EASY!


Current version 1.13.0 Install to Chrome Install to Firefox Install to Edge
Explore More ⇩
Pagination
Search docs
- Search Primitive Types and Modules
- Search Structs, Traits and Enums
- Search Functions, Methods and Macros
- Search nightly docs
- Search rustc docs
- Search with type mode
- Source code mode
- Offline mode: search local Rust docs
- Search external crate docs
Search builtin attributes
Search top 20K crates
Search compiler error code
Search Rust book chapters
Search Cargo Clippy lints
Search Caniuse.rs
Commands system
Rust docs enhancement
- Make all "since" and "issue" linkable
Docs.rs enhancement
- Display Feature Flags
- Display Security Advisory
- Add your favorite crate to extension
- Show Table of Content
Searching statistics
Miscellaneous
- Manage your indexed crates
- Import/Export your data
- Customize crates searching platform
- Open repository quickly
Overview


PAGINATION

You can press space after the keyword, then increase or decrease the number of -
(hyphen) to page down or page up.


SEARCH DOCS

We support search all kinds of Rust docs blaze-fastly. Those docs including:

 * The stable/nightly documentation of official crates (including std,
   proc_macro, test).
 * All external docs on docs.rs.
 * All rustc crates docs.

> We'll sync the latest std/nightly search index automatically every day to
> ensure the docs freshness. There is no extension updating required to get the
> latest search index since v1.0.


SEARCH PRIMITIVE TYPES AND MODULES




SEARCH STRUCTS, TRAITS AND ENUMS




SEARCH FUNCTIONS, METHODS AND MACROS




SEARCH NIGHTLY DOCS

You can prefix a / (slash) before the keyword to search nightly docs.


SEARCH RUSTC DOCS

You can prefix a // (double slash) before the keyword to search all of crates
docs of rustc, such as rustc_mir, rustc_hir, or rustc_ast, etc.

> It makes no sense to have a built-in search-index of rustc since the rustc is
> changed very frequently. Therefore, you need to open the rustc docs page in
> advance to sync the search-index before you search rustc docs. However, the
> search-index of rustc is very big, we never persist it to the local storage
> (due to the limited storage size available to browser extension).




SEARCH WITH TYPE MODE

You can prefix a type to get the exclusive search result. Those type keywords
including:

 * mod
 * struct
 * enum
 * fn
 * trait
 * type
 * macro
 * const

For example, fn:asref to search function or trait:iterator to search trait.




SOURCE CODE MODE

Since v1.2, we can straight open the source code page for our docs search
result. Simply prefix src: (or s:, an alias to src:) before the keyword, you'll
be redirected to the correct source code line of your search result after you
press Enter. For example, input src:try_fold or s:try_fold, you'll open the
source code line of std::iter::Iterator::try_fold().


OFFLINE MODE: SEARCH LOCAL RUST DOCS

You can run command rustup doc --std to open the offline std docs. To enable the
offline mode, you should check the checkbox and input the offline docs path on
the settings page.

Use rustup doc --std --path to find your doc directory, on my machine, this
command gives:

$ rustup doc --std --path
/home/steve/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/share/doc/rust/html/std/index.html


Remove the tailing std/index.html from the returned path, and the remaining path
is your doc directory.

 * For Chrome/Edge users: Prepend file:// before your doc directory, and input
   it to the input box on the settings page. Then enable access to file URLs on
   the extension's details page.
   
   

 * For Firefox users: Refers to Any workaround to support offline mode on
   Firefox?
   
   


SEARCH EXTERNAL CRATE DOCS

After you add the crate to extension, you can prefix @crate-name to search the
docs exclusive to that crate. For example, input @tokio spawn to search docs of
tokio.



~ is another pretty prefix to search the external crate docs. Unlike the @
prefix, ~ gives you the power to search docs across all your favorite crates
effortlessly.

For example, input ~spawn, you can get results related to "spawn" from all your
favorite crates (e.g. tokio, async_std, smol, and futures ).




SEARCH BUILTIN ATTRIBUTES

Search builtin attributes (such as derive, non_exhaustive) are also supported,
by default, the result is mixed with other related docs or crates though.

If you prefer to search attribute exclusively, prefix a # (pound sign) before
the keyword to narrow the result.




SEARCH TOP 20K CRATES

We build top 20K crates index once a day to help you search crates instantly.
You can prefix an ! (exclamation mark) before the keyword to search docs.rs
exclusively, prefix one more ! (double exclamation marks) to open crates.io
page, prefix !!! (triple exclamation marks) to open crate's repository (See Open
repository quickly).




SEARCH COMPILER ERROR CODE




SEARCH RUST BOOK CHAPTERS

You can search all of Rust book chapters too! The result will show the title of
the related page, parent chapter, and grandparent chapter. Don't forget the % is
the prefix to perform the book searching.




SEARCH CARGO CLIPPY LINTS

> (right angle bracket) is also a great prefix to help you search Cargo Clippy
lints exclusively.




SEARCH CANIUSE.RS

You can search caniuse.rs with ? prefix.




COMMANDS SYSTEM

The command system brings a handy set of useful and convenient commands to you.
Each command starts with a : (colon), followed by the name, and function
differently in individual. Those commands including but not limited to:

 * :help - Show the help messages.
 * :cargo - Search useful third-party cargo subcommands.
 * :yet - Search Are We Yet websites.
 * :book - Search Rust books.
 * :book/zh - Search Chinese Rust books.
 * :stable - Show stable Rust scheduled release date.
 * :label - Search issue labels of rust-lang repository.
 * :tool - Show useful rust tools.
 * :mirror - Search Rust mirror websites.
 * :stats - Open search statistics page.
 * :update - Open the update page to sync the latest index automatically.
 * :release - Open rust-lang repository release page.
 * :rfc - Search Rust RFCs.
 * :rustc - Search rustc codegen options and lints.
 * :target - Search rust target for three tiers.
 * :history - Show your local search history.




RUST DOCS ENHANCEMENT


MAKE ALL "SINCE" AND "ISSUE" LINKABLE

 * "issue" links to Github issue (works in source code page)




DOCS.RS ENHANCEMENT


DISPLAY FEATURE FLAGS

Docs.rs don't display the crate's feature flags, which is inconvenient. So Rust
Search Extension fills the gap.



Also, we support optional dependencies.


DISPLAY SECURITY ADVISORY




ADD YOUR FAVORITE CRATE TO EXTENSION

By clicking the + to Rust Search Extension button, you can add the crate to the
extension, which brings the search capability for this crate on the address bar.


SHOW TABLE OF CONTENT




SEARCHING STATISTICS

Searching statistics page provides a set of useful charts to visualize your
search history. This gives you a powerful insight view on how frequency you
search, how much valuable time you saved.

These charts including:

 * A calendar heatmap represents your searching history in the last year
 * A percentage chart reflects each category weight you searched
 * Weekly, daily, and hourly bar chart tells you searching frequency in
   different time dimensionality
 * Top searched crates chart gives you the rank of personal crate searching




MISCELLANEOUS


MANAGE YOUR INDEXED CRATES




IMPORT/EXPORT YOUR DATA




CUSTOMIZE CRATES SEARCHING PLATFORM

You can customize your preferred crates searching platform such as
crates.io(default) or lib.rs on the settings page.


OPEN REPOSITORY QUICKLY

You can prefix !!! (triple !) to open crate's repository quickly. For example,
input !!!tokio then enter, the extension will obtain the repository url then
redirect to the github repository page of tokio effortlessly.

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