debug_env/
debug_env.rs

1#[macro_use]
2extern crate log;
3
4use std::env;
5
6fn main() {
7  env::set_var("RUST_LOG", "trace");
8  logfmt_logger::init();
9
10  info!("Info message");
11  warn!("Warn message");
12  debug!("Debug message");
13  trace!("Trace message");
14  error!("Error message");
15}