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Contents
module Shamu
module Attributes
# Add methods to a class to make it easy to build out an object using fluid
# assignment.
#
# @example
#
# # Without fluid
# obj = AttributeObject.new
# obj.name = '...'
# obj.email = '...'
#
# # With fluid
# obj = FluidObject.new
# obj.name( '...' )
# .email( '...' )
module FluidAssignment
extend ActiveSupport::Concern
included do |base|
raise "Must include Shamu::Attributes first." unless base < Shamu::Attributes
raise "Must include Shamu::Attributes::Assignment first." unless base < Shamu::Attributes::Assignment
end
# DSL for declaring fluid assignment.
class_methods do
private
def define_attribute_reader( name, ** )
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{ name }( *args )
if args.length > 0
assign_#{ name }( *args )
self
else
return @#{ name } if defined? @#{ name }
@#{ name } = fetch_#{ name }
end
end
RUBY
end
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems