Module: VSM::Meta::Support

Defined in:
lib/vsm/meta/support.rb

Constant Summary collapse

CONFIG_IVAR = 
:@__vsm_constructor_args

Class Method Summary collapse

Class Method Details

.copy_args(args) ⇒ Object 



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# File 'lib/vsm/meta/support.rb', line 20

def copy_args(args)
  return {} if args.nil?
  case args
  when Hash
    args.transform_values { copy_args(_1) }
  when Array
    args.map { copy_args(_1) }
  when Symbol, Numeric, NilClass, TrueClass, FalseClass
    args
  else
    args.dup rescue args
  end
end

.fetch_constructor_args(instance) ⇒ Object 



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# File 'lib/vsm/meta/support.rb', line 16

def fetch_constructor_args(instance)
  instance.instance_variable_get(CONFIG_IVAR)
end

.record_constructor_args(instance, args) ⇒ Object 



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# File 'lib/vsm/meta/support.rb', line 10

def record_constructor_args(instance, args)
  copied = copy_args(args)
  instance.instance_variable_set(CONFIG_IVAR, copied)
  instance
end