log::info!

macro_rules! info {
    ($($arg:tt)*) => (log!(::log::INFO, $($arg)*))
}

A convenience macro for logging at the info log level.

Example

#[macro_use] extern crate log;

fn main() {
    let ret = 3i;
    info!("this function is about to return: {}", ret);
}

Assumes the binary is main:

$ RUST_LOG=info ./main
INFO:main: this function is about to return: 3