End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Logger#warn!

warn!

# File tmp/rubies/ruby-3.2.0/lib/logger.rb, line 508
def warn!; self.level = WARN; end

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

See also #warn #warn? #unknown also in 3.4 · 3.3 · 3.1 · 3.0