here 1.1.1

A simple rust macro to print the current file and line number.
Documentation 
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#[macro_export]
/// Prints the line number and filename to stdout. Additionally, it can accept a string literal and
/// format arguments like the `format!` macro.
#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
macro_rules! here {
    () => {
        println!("{}:{:03}", file!(), line!());
    };
    ($msg:literal) => {
        println!("({}:{:03}): {}", file!(), line!(), $msg);
    };
    ($msg:literal, $($args:expr),+) => {
        println!("({}:{:03}): {}", file!(), line!(), format!($msg, $($args),+));
    }
}

#[macro_export]
/// Prints the line number and filename to stderr. Additionally, it can accept a string literal and
/// format arguments like the `format!` macro.
#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
macro_rules! ehere {
    () => {
        eprintln!("{}:{:03}", file!(), line!());
    };
    ($msg:literal) => {
        eprintln!("({}:{:03}): {}", file!(), line!(), $msg);
    };
    ($msg:literal, $($args:expr),+) => {
        eprintln!("({}:{:03}): {}", file!(), line!(), format!($msg, $($args),+));
    }
}