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# frozen_string_literal: true
module XDG
# A generic key-value pair (KVP).
Pair = Data.define :key, :value do
def initialize key: nil, value: nil
super
end
def key? = key.to_s.size.positive?
def value? = value.to_s.size.positive?
def empty? = !(key? && value?)
def to_env = {key => value}
def to_s = key? || value? ? "#{key}#{DELIMITER}#{value}" : ""
alias_method :to_str, :to_s
def inspect
type = self.class
key? || value? ? "#<data #{type} #{key}#{DELIMITER}#{value}>" : "#<data #{type}>"
end
end
end
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