环境
- Rust 1.56.1
- VSCode 1.61.2
概念
参考：https://doc.rust-lang.org/stable/rust-by-example/testing/dev_dependencies.html
示例
main.rs
#[cfg(test)]
#[macro_use]
extern crate pretty_assertions;
pub fn add(a: i32, b: i32) -> i32 {
a + b
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_add() {
assert_eq!(add(2, 3), 5);
}
}
fn main(){
}
Cargo.toml
[package]
name = "rust"
version = "0.1.0"
edition = "2021"
[dependencies]
[dev-dependencies]
pretty_assertions = "0.4.0"
总结
了解了 Rust 中开发依赖的使用方式。