Macro debug_and_log_warn 

macro_rules! debug_and_log_warn {
    ($category:expr, $($arg:tt)*) => { ... };
}

Emit a message to both the custom debug log (at Error level) and the standard log crate at log::warn! level.

Example

debug_and_log!(WARN, "TMUX", "Failed to attach session '{}': {}", name, e);