Class: CommandResultStruct

Inherits:
Object show all
Defined in:
lib/command_result_alternatives.rb

Overview

Option 3: Using Struct with dynamic extension

Class Method Summary collapse

Class Method Details

.new(**attributes) ⇒ Object 



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# File 'lib/command_result_alternatives.rb', line 99

def self.new(**attributes)
  # Create a Struct class with the given attributes plus defaults
  defaults = { exit_status: 0, stdout: '' }
  all_attrs = defaults.merge(attributes)
  
  struct_class = Struct.new(*all_attrs.keys, keyword_init: true) do
    def failure?
      !success?
    end

    def success?
      exit_status.zero?
    end

    # Intercept specific setter
    def new_lines=(value)
      warn caller.deref[0..4], value
      super(value)
    end
    
    # Add dynamic attribute support
    def method_missing(name, *args)
      if name.to_s.end_with?('=')
        # Add new attribute dynamically by recreating struct
        attr_name = name.to_s.chomp('=').to_sym
        current_attrs = to_h
        current_attrs[attr_name] = args.first
        
        # This is a limitation - we can't easily add new fields to existing Struct
        # So this approach has constraints
        super
      else
        super
      end
    end
  end
  
  struct_class.new(**all_attrs)
end