End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Logger#close

# File tmp/rubies/ruby-3.0.5/lib/logger.rb, line 572
def close
  @logdev&.close
end

Close the logging device.

See also #add #datetime_format #<< #datetime_format= also in 3.4 · 3.3 · 3.2 · 3.1