import structlog fn main() { // Initialize logger with non-default logging level. log := structlog.new(level: .trace) // try to change logging level defer { log.close() } log.trace().message('hello trace').send() log.debug().message('hello debug').send() log.info().message('hello info').send() log.warn().message('hello warn').send() log.error().message('hello error').send() log.fatal().message('hello fatal').send() // on fatal program exits immediately with exit code 1 }