instance method `warn`

Ruby on Rails 4.0.13

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

warn(message = nil, callstack = nil)

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

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

Parameters

message opt = nil
callstack opt = nil

Source

# File activesupport/lib/active_support/deprecation/reporting.rb, line 14
      def warn(message = nil, callstack = nil)
        return if silenced

        callstack ||= caller(2)
        deprecation_message(callstack, message).tap do |m|
          behavior.each { |b| b.call(m, callstack) }
        end
      end

Defined in activesupport/lib/active_support/deprecation/reporting.rb line 14 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Deprecation::Reporting

Signature

Parameters