Macro trace 

macro_rules! trace {
    ($format_str:literal $(, $arg:expr)* $(,)?) => { ... };
    ([$($format_str:literal),+ $(,)?] $(, $arg:expr)* $(,)?) => { ... };
}

Like log::trace, but bunt-compatible.

Example

use bunt_logger::trace;

let v = vec![1, 2, 3];
trace!("{$italic}Watch the mouse!{/$}.");