method

warn

Ruby on Rails latest stable (v3.2.13) - 0 notes - Class: ActiveSupport::Deprecation

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What's this?

warn(message = nil, callstack = caller) public

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)"

Show source

# File activesupport/lib/active_support/deprecation/reporting.rb, line 10
      def warn(message = nil, callstack = caller)
        return if silenced
        deprecation_message(callstack, message).tap do |m|
          behavior.each { |b| b.call(m, callstack) }
        end
      end

warn

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