Crates are the unit of compilation in Rust.
Crates are the unit of compilation in rust, and the basic building block of its module system.
The crates can be published in crates.io, the official Rust packages registry, where you can browse them.
Questions tagged [rust-crates]
206 questions
0
votes
1 answer
Using a crate errors with "linking with cc failed", while building its source project succeeds
I'm trying to import an external crate in a simple hello world application.
In the main.rs, it was wrote
use rustdds::*;
fn main() {
println!("Hello, world!");
}
cargo build then errors with
user@xxx:~/Documents/dds_test:$ cargo build
…
xc wang
- 318
- 1
- 3
- 14
0
votes
3 answers
Where are release notes of Rust crates published
Is there a standard place where one can see what's new/fixed in a certain crate release? I couldn't find such a section in crates.io or docs.rs.
at54321
- 8,726
- 26
- 46
0
votes
1 answer
Can't use struct after its partially moved by closure
I'm trying to code a wrapper struct around the creation of an event_loop and a graphical context:
struct GraphicalContext {
pub el: crow::glutin::event_loop::EventLoop<()>,
pub ctx: crow::Context
}
impl GraphicalContext {
pub fn new(wb:…
SandWood Jones
- 104
- 1
- 9
0
votes
0 answers
Can't find crate for `rustc_driver`
I tried to build the following rust file, and get an error.
src/main.rs:
#![feature(rustc_private)]
extern crate rustc_driver;
fn main() {
let value = Some(42);
//...
}
cargo.toml:
[package]
name = "cargo_test"
version = "0.1.0"
authors =…
Jw C
- 171
- 2
- 6
0
votes
1 answer
Import rust package with alias in toml
I'm trying to make a simple program checking execution times on two different branches of the same rust project.
I wanted to have my .toml look something like this
[dependencies]
cron_original = { git = "https://github.com/zslayton/cron" }
cron_fork…
Typhaon
- 828
- 8
- 27
0
votes
1 answer
How can a submodule import a trait from the root in lib.rs?
I have a src/lib.rs that contains:
pub trait Compile {
fn from_source(src: &src) {
parser::parse(src);
}
}
And a src/compiler/interpreter.rs
use crate::Compile; // ERROR HERE - No Compile in the root
pub struct Interpreter;
impl…
AJ D
- 52
- 1
- 6
0
votes
0 answers
How to import diesel models and schema?
I'm trying to create a small demo app using the diesel crate.
I tried the things below by looking at the diesel getting started guide.
I don't understand how to import my models and schema and get my query working in main. Attached the snapshot…
Glenn singh
- 233
- 1
- 6
- 18
0
votes
1 answer
How to pass custom data to macros of log crate in Rust?
Is it possible to do something like this in macros of the log crate?
enum ErrorKind {
KindA,
KindB,
KindC,
}
error!(ErrorKind::KindA, "Unable to do A.");
In the log function of the custom logger:
fn log(&self, record: &Record) {
if…
Átila Gama Silva
- 33
- 1
- 5
0
votes
1 answer
Feature to toggle dependent crate features
I'm a bit new to Rust and ran into an issue where I'd like to make a feature of my crate that designates which features of a dependent crate should be included.
More specifically, I'm using the image-rs crate, which defines features for which image…
catleeball
- 781
- 7
- 16
0
votes
1 answer
How to import a file in a folder into a file in another folder in rust?
src
I -- handlers
I--- authhandler.rs
models
I--- account.rs
I--- mod.rs
authhandler:
pub fn register(register: web::Json) -> impl Responder {
.........
}
account:
pub struct RegisterRequest {
…
codeme
- 861
- 2
- 12
- 29
0
votes
0 answers
crate - failure. Using #[derive(Fail)] with non 'static lifetime
I have a struct with a non 'static lifetime, this sruct is then used by enum that represents my error:
#[derive(Debug, Fail)]
pub enum ParserError<'a> {
#[fail(display = "Unexpected [{}] got {}", _1, _0)]
ExpectedAGotB(Token<'a>,…
anvlkv
- 147
- 2
- 11
0
votes
0 answers
How to specify crates to rustc in command-line?
I'm trying to use rand::random function in Rust:
use rand::random;
fn main(){
println!("{}",rand::random::());
}
It didn't work, the rand crate was not installed by default. So I installed it:
$ cargo install rand
However, after installing…
Dee
- 7,455
- 6
- 36
- 70
0
votes
1 answer
How to deal with a crate being marked as containing a Trojan?
I added one dependency to my project which added another and another - in the end, I got the crate pelite. This crate has a "blob" file which was marked by Windows as "Trojan:Win32/Fuery.B!cl"
I assumed that this was a false positive, but it wasn't…
Victor Iorinescu
- 5
- 5
0
votes
0 answers
How can I export just the functions of a module as part of another module?
I want to organize some functions into multiple files since they're big enough to warrant that but from outside of that directory I want them all to appear to be exported from same parent module.
I have the…
justin.m.chase
- 13,061
- 8
- 52
- 100
0
votes
1 answer
I am trying to get data over an OpenWeather API in Rust but I am facing some iusse regarding parsing I guess
extern crate openweather;
use openweather::LocationSpecifier;
static API_KEY: &str = "e85e0a3142231dab28a2611888e48f22";
fn main() {
let loc = LocationSpecifier::Coordinates {
lat: 24.87,
lon: 67.03,
};
let weather =…
Areeb Sid
- 13
- 2