method

warn

rails latest stable - Class: ActiveSupport::Deprecation::Reporting

warn(message = nil, callstack = nil)

public

Outputs a deprecation warning to the output configured by ActiveSupport::Deprecation#behavior.

ActiveSupport::Deprecation.new.warn('something broke!')
# => "DEPRECATION WARNING: something broke! (called from your_code.rb:1)"

# File activesupport/lib/active_support/deprecation/reporting.rb, line 18
      def warn(message = nil, callstack = nil)
        return if silenced

        callstack ||= caller_locations(2)
        deprecation_message(callstack, message).tap do |full_message|
          if deprecation_disallowed?(message)
            disallowed_behavior.each { |b| b.call(full_message, callstack, self) }
          else
            behavior.each { |b| b.call(full_message, callstack, self) }
          end
        end
      end

warn

Related methods