Logger#warn!

() -> ::Integer

warn!

# File tmp/rubies/ruby-3.4.1/lib/logger.rb, line 509
def warn!; self.level = WARN; end

Sets the log level to Logger::WARN. See Log Level.

See also #warn #warn? #unknown #with_level also in 3.3 · 3.2 · 3.1 · 3.0