Module: NestedStruct::Interface::ClassMethods

Defined in:
lib/nested_struct/interface.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#field_names ⇒ Object (readonly)

Returns the value of attribute field_names.



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# File 'lib/nested_struct/interface.rb', line 8

def field_names
  @field_names
end

#fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/nested_struct/interface.rb', line 8

def fields
  @fields
end

Instance Method Details

#field(name, coercer_expression = nil) ⇒ Object 



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# File 'lib/nested_struct/interface.rb', line 10

def field(name, coercer_expression = nil)
  if superclass.ancestors.include?(NestedStruct::Interface)
    @field_names ||= superclass.field_names.dup || []
    @fields ||= superclass.fields.dup || []
  else
    @field_names ||= []
    @fields ||= []
  end

  if !field_names.include?(name)
    @field_names << name
    @fields << Field.new(name, coercer_expression)
    attr_accessor(name)
  end
end