Macro ulog 

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

Log a message through UE_LOG.

Usage:

ulog!(LOG_DISPLAY, "Actor {} has {} health", name, hp);
ulog!(LOG_WARNING, "something suspicious");
ulog!(LOG_ERROR, "fatal: {err}");

Level constants: LOG_DISPLAY (0), LOG_WARNING (1), LOG_ERROR (2).