# Any kind of literal which supports a prefix or a suffix
class AAugmentedLiteral
	# Returns the text of the token
	private fun text: String is abstract

	# Is the combination of prefixes and suffixes in `self` valid ?
	fun is_valid_augmentation: Bool is abstract

	private fun delimiter_start: Char is abstract

	private fun delimiter_end: Char is abstract

	# Prefix for the entity, "" if no prefix is found
	protected var prefix: String is lazy do return text.substring(0, text.index_of(delimiter_start))

	# Suffix for the entity, "" if no prefix is found
	protected var suffix: String is lazy do return text.substring_from(text.last_index_of(delimiter_end) + 1)

	# Content of the entity, without prefix nor suffix
	protected var content: String is lazy do
		var npr = text.substring_from(prefix.length)
		return npr.substring(0, npr.length - suffix.length)
	end
end