You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: field_uniqueness.rb
    path of file: ./repos/binda/app/models/concerns/binda
    
    the code of the file until where you have to start completion: module Binda
	# Some fi
    
		def field_uniqueness
			instances = Text.where(
				field_setting_id: self.field_setting.id,
				fieldable_id: self.fieldable_id,
				fieldable_type: self.fieldable_type
			)
			if instances.any? && instances.first.id != self.id
				errors.add(:base, I18n.t("binda.duplicate_validation", { 
					arg1: self.field_setting.field_type, 
					arg2: self.fieldable_id,
					arg3: self.field_setting.slug 
				}))
				return false
			else
				return true
			end