trace

xlog

Macro trace 

Source 
macro_rules! trace {
    ($($tail:tt)*) => { ... };
}
Expand description

Logs a message at the trace level.

#Example

use xlog::log;
xlog::trace!("{}", "abc");
let mut some = Some(());
let _ = xlog::trace!(opt, some, "{}", "none");
some = None;
let _ = xlog::trace!(opt, some, "{}", "none");
let mut ok = Ok(());
let _ = xlog::trace!(res, ok, "{}", "error");
ok = Err("error");
let _ = xlog::trace!(res, ok, "{}", "error");