# frozen_string_literal: true
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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            require "initable/builder"
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            

            
              
            

            # Main namespace.
          
        
      
        

          

            
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            module Initable
          
        
      
        

          

            
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              METHOD_SCOPES = %i[public protected private].freeze
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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              def self.[](*, **) = Builder.new(*, **)
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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              def self.protected(*, **) = Builder.new(*, method_scope: __method__, **)
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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              def self.public(*, **) = Builder.new(*, method_scope: __method__, **)
          
        
      
        

          

            

            
              
            

            end
          
        
      
    
  

    

      
        

          

            

            
              
            

            # frozen_string_literal: true
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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            require "marameters"
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
              1
            

            
              
            

            module Initable
          
        
      
        

          

            

            
              
            

              # Builds initialization behavior.
          
        
      
        

          

            
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              class Builder < Module
          
        
      
        

          

            
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                def initialize *parameters, method_scope: :private, **keywords
          
        
      
        

          

            
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                  super()
          
        
      
        

          

            
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                  keywords.each { |key, value| parameters.push [:key, key, value] }
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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                  @parameters = Marameters.for parameters
          
        
      
        

          

            
              57
            

            
              
            

                  @method_scope = method_scope
          
        
      
        

          

            
              57
            

            
              
            

                  @names = @parameters.names.compact
          
        
      
        

          

            
              57
            

            
              
            

                  @instance_module = Module.new.set_temporary_name "initable"
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
              57
            

            
              
            

                  freeze
          
        
      
        

          

            

            
              
            

                end
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
              1
            

            
              
            

                def included descendant
          
        
      
        

          

            
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                  super
          
        
      
        

          

            
              57
            

            
              
            

                  define_initialize descendant
          
        
      
        

          

            
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                  descendant.include instance_module
          
        
      
        

          

            

            
              
            

                end
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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                private
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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                attr_reader :method_scope, :parameters, :names, :instance_module
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
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                def define_initialize descendant,
          
        
      
        

          

            

            
              
            

                                      inheritor: Marameters::Signatures::Inheritor.new,
          
        
      
        

          

            

            
              
            

                                      forwarder: Marameters::Signatures::Super.new
          
        
      
        

          

            
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                  ancestor = Marameters.of(descendant, :initialize).first
          
        
      
        

          

            
              114
            

            
              
            

                  signature = inheritor.call(ancestor, parameters).then { |params| Marameters.signature params }
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
              57
            

            
              
            

                  instance_module.module_eval <<-METHOD, __FILE__, __LINE__ + 1
          
        
      
        

          

            
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                    def initialize(#{signature})
          
        
      
        

          

            
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                      #{build_instance_variables ancestor}
          
        
      
        

          

            
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                      super(#{forwarder.call ancestor, parameters})
          
        
      
        

          

            
              1
            

            
              
            

                    end
          
        
      
        

          

            
              1
            

            
              
            

                  METHOD
          
        
      
        

          

            
              1
            

            
              
            

            
          
        
      
        

          

            
              10
            

            
              
            

                  define_readers ancestor
          
        
      
        

          

            
              1
            

            
              
            

                end
          
        
      
        

          

            
              1
            

            
              
            

            
          
        
      
        

          

            
              1
            

            
              
            

                def build_instance_variables ancestor
          
        
      
        

          

            
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                  (names - ancestor.names).map { |name| "@#{name} = #{name}" }
          
        
      
        

          

            

            
              
            

                                          .join "\n"
          
        
      
        

          

            

            
              
            

                end
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
              1
            

            
              
            

                def define_readers ancestor
          
        
      
        

          

            
              57
            

            
              
            

                  instance_module.module_eval <<-READERS, __FILE__, __LINE__ + 1
          
        
      
        

          

            
              1
            

            
              
            

                    #{compute_scope} attr_reader(*#{names - ancestor.names})
          
        
      
        

          

            

            
              
            

                  READERS
          
        
      
        

          

            

            
              
            

                end
          
        
      
        

          

            

            
              
            

            
          
        
      
        

          

            
              58
            

            
              
                
                  then: 54
                
              
                
                  else: 3
                
              
            

                def compute_scope = METHOD_SCOPES.include?(method_scope) ? method_scope : :private
          
        
      
        

          

            

            
              
            

              end
          
        
      
        

          

            

            
              
            

            end