method
compile
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Class: ActiveSupport::Callbacks::CallbackChain
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compile(key=nil, object=nil)
public
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# File activesupport/lib/active_support/callbacks.rb, line 355 def compile(key=nil, object=nil) method = [] method << "value = nil" method << "halted = false" each do |callback| method << callback.start(key, object) end if config[:rescuable] method << "rescued_error = nil" method << "begin" end method << "value = yield if block_given? && !halted" if config[:rescuable] method << "rescue Exception => e" method << "rescued_error = e" method << "end" end reverse_each do |callback| method << callback.end(key, object) end method << "raise rescued_error if rescued_error" if config[:rescuable] method << "halted ? false : (block_given? ? value : true)" method.compact.join("\n") end