Trait Configure

Source

pub trait Configure: Sized {
    // Required method
    fn generate() -> Result<Self, Error>;

    // Provided method
    fn regenerate(&mut self) -> Result<(), Error> { ... }
}

Expand description

A configuration struct which can be generated from the environment.

This trait is normally derived using the configure_derive crate.

#[derive(Configure)]
pub struct Config {
    /// This can be set through the LIBNAME_HOST variable
    pub host: SocketAddr,
    /// This can be set through the LIBNAME_THREADS variable
    pub threads: usize,
}

// To generate your configuration from the environment:
let cfg = Config::generate()?;