debug multimethod

Methods

debug(str_or_producer:Any) Source: stdlib.ngs:5066
Same as debug('default', str_or_producer)
debug(facility:Str, str_or_producer:Any) Source: stdlib.ngs:5073
Debug to standard error. "DEBUG" environment variable must be non-empty string to activate. Otherwise nothing is outputted. TODO: Exclude thread ID if there is only one thread. TODO: Timestamps? Timestamps acquiring might not be safe after fork before exec.