Macro score::log_at

macro_rules! log_at {
    ($effector:expr, $l:expr) => { ... };
    ($effector:expr, $l:expr, $msg:expr) => { ... };
    ($effector:expr, $l:expr, $fmt:expr, $($arg:tt)*) => { ... };
}

Generic macro that calls the Effector log method. More often you'll use one of the other macros like log_info!.