use std::borrow::Cow;
use std::error::Error;
use std::fmt::Display;

pub trait Symbol: Display {
  fn target_reached(&self) -> Result<bool, Box<Error>>;
  fn execute(&self) -> Result<(), Box<Error>>;
}

pub mod file;
pub mod git;
pub mod npm;
pub mod user;
pub mod systemd;
pub mod nginx;