Trait System

pub trait System<T> {
    // Required method
    fn system(command: &str) -> T;
}

Trait to allow for the creation of objects representing a shell commands.

Required Methods

fn system(command: &str) -> T

Constructs a new T that runs the given shell command when executed.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl System<Command> for Command

fn system(command: &str) -> Command

Construct a new Command that runs the given system command when executed.

See Command::new for the default configuration.

Example

use std::process::Command;

use system::System;

fn main() {
    let out = Command::system("echo Hello, world!")
        .output()
        .expect("Failed to run command.");
    let stdout = String::from_utf8_lossy(&out.stdout);

    #[cfg(target_os = "windows")]
    assert_eq!(stdout, "Hello, world!\r\n");

    #[cfg(not(target_os = "windows"))]
    assert_eq!(stdout, "Hello, world!\n");
}

Implementors