# File lib/active_support/callbacks.rb, line 136
136:       def initialize(kind, method, options = {})
137:         @kind       = kind
138:         @method     = method
139:         @identifier = options[:identifier]
140:         @options    = options
141:       end

     # File lib/active_support/callbacks.rb, line 143
143:       def ==(other)
144:         case other
145:         when Callback
146:           (self.identifier && self.identifier == other.identifier) || self.method == other.method
147:         else
148:           (self.identifier && self.identifier == other) || self.method == other
149:         end
150:       end

     # File lib/active_support/callbacks.rb, line 160
160:       def call(*args, &block)
161:         evaluate_method(method, *args, &block) if should_run_callback?(*args)
162:       rescue LocalJumpError
163:         raise ArgumentError,
164:           "Cannot yield from a Proc type filter. The Proc must take two " +
165:           "arguments and execute #call on the second argument."
166:       end

     # File lib/active_support/callbacks.rb, line 156
156:       def dup
157:         self.class.new(@kind, @method, @options.dup)
158:       end

     # File lib/active_support/callbacks.rb, line 152
152:       def eql?(other)
153:         self == other
154:       end