Macro init 

macro_rules! init {
    () => { ... };
    ($arg1:expr) => { ... };
}

A macro for initializing the logging system.

Use

To initialize the logging system without a listener, do not pass any arguments.

To initialize the logging system with a listener, pass a listener implementing LogListener as the first argument.

Examples

Initialize the logging system without a listener:

use breadcrumbs::init;
init!();

Initialize the logging system with a listener:

use breadcrumbs::{init, LogListener};
struct MyLogListener;
 
impl LogListener for MyLogListener {
  fn on_log(&mut self, log: breadcrumbs::Log) {
     println!("{}", log);
  }
}
 
init!(MyLogListener);