Macro log_fatal 

macro_rules! log_fatal {
    ($logger:expr, $($arg:tt)+) => { ... };
}

Emit at crate::Severity::Fatal.

rclrs::log_fatal!’s spelling — see the module note on RFC-0089’s “each language follows its own upstream” rule. The pre-rename nros_fatal! forwarder was removed in phase-417 W-B5.