rustup | The Rust toolchain installer
kandi X-RAY | rustup Summary
kandi X-RAY | rustup Summary
Rustup installs The Rust Programming Language from the official release channels, enabling you to easily switch between stable, beta, and nightly compilers and keep them updated. It makes cross-compiling simpler with binary builds of the standard library for common platforms. And it runs on all platforms Rust supports, including Windows.
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Trending Discussions on rustup
QUESTION
I have a function to download a file which is async:
...ANSWER
Answered 2022-Feb-14 at 18:37An established pattern for this is here.
From a synchronous block, build a new runtime then call block_on()
on it:
QUESTION
I need to use a Rust nightly feature with the VS-code Rust-language-server.
...ANSWER
Answered 2022-Mar-23 at 05:28Use rust-analyzer instead. Rls is not in active now.
QUESTION
Coming from Python here.
I'm wondering why a BTreeMap is hashable. I'm not surprised a Hashmap isn't, but I don't understand why the BTreeMap is.
For example, I can do that:
...ANSWER
Answered 2022-Mar-18 at 20:24The reason is that BTreeMap
has a deterministic iteration order and HashMap
does not. To quote the docs from the Hash
trait,
When implementing both Hash and Eq, it is important that the following property holds:
QUESTION
I am trying to run anchor build and am receiving the following response:
...ANSWER
Answered 2022-Jan-13 at 17:27It looks like your solana install is quite out of date. I would install either 1.8.11
or just run solana-install update
QUESTION
I'm working with Wasm and Rust, and I'm deploying the page with gitlab pages.
I'm using a gitlab-ci.yml file that looks like this:
...ANSWER
Answered 2022-Feb-04 at 08:46This page: Caching in GitLab CI/CD talks about caching and/or using artifacts to persist files between jobs. You may be able to make use of that.
It then becomes a question of how to get cargo install
to use that cache or the saved artifacts.
Alternatively, you can define your own base build image (run the cargo install
steps in that), and store that in Gitlab's docker registry; see https://docs.gitlab.com/ee/user/packages/container_registry/.
QUESTION
I understand the reason why this error is being raised, but not sure how I should go about fixing it. Ideally I would want to avoid using Copy
.
ANSWER
Answered 2022-Feb-01 at 08:45If you want to avoid copying/cloning, you need to return a reference. For example:
QUESTION
I'm trying to compile my Rust code on my M1 Mac for a x86_64 target with linux. I use Docker to achieve that.
My Dockerfile:
...ANSWER
Answered 2022-Jan-18 at 17:25It looks like the executable is actually named x86_64-linux-gnu-gcc
, see https://packages.debian.org/bullseye/arm64/gcc-x86-64-linux-gnu/filelist.
QUESTION
I am trying to cross-compile for an Arduino Uno. I have gotten to the point where I am getting the following error:
...ANSWER
Answered 2022-Jan-18 at 17:02Rust's cc
crate includes logic such that if the cpp
flag is set, it includes libstdc++
. It is possible to disable this using build.cpp_set_stdlib(None)
.
QUESTION
I'm building a docker image on cloud server via the following docker file:
...ANSWER
Answered 2022-Jan-18 at 16:04The logs say
QUESTION
let output_sorted: Vec = four_digit_ouput
.iter()
.map(|tok| tok.chars().sorted().collect::())
.collect();
let output = 0;
for (idx, digit) in output_sorted.enumerate() {
...ANSWER
Answered 2022-Jan-06 at 15:12A vector is not an Iterator
.
Use output_sorted.iter().enumerate()
(to consult), output_sorted.iter_mut().enumerate()
(to modify) oroutput_sorted.into_iter().enumerate()
(to consume).
Note that when using a for
loop directly on a vector, an implicit call to into_iter()
is made; this could be interpreted as if the vector was itself an Iterator
but it is just a convenience from the language.
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Install rustup
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.
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