module ActiveRecord::SafeInitialize
Constants
- VERSION
Public Instance Methods
safe_initialize(*attributes, &block)
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# File lib/active_record/safe_initialize.rb, line 7 def safe_initialize(*attributes, &block) options = attributes.extract_options! default = options.fetch(:with, block) raise ArgumentError, "Missing initialization value" unless default warn "Both :with and block are present; using :with value" if options[:with] && block_given? after_initialize(options) do attributes.each do |attribute| if has_attribute?(attribute) && read_attribute(attribute).nil? value = default value = instance_exec(&value) if value.respond_to?(:call) value = self.send(value) if value.is_a?(Symbol) self.send "#{attribute}=", value end end end end