class Build::Environment

def to_s

def to_s
	buffer = String.new("\#<#{self.class} ")
	
	if @name
		buffer << @name.inspect << ' '
	end
	
	if @update
		buffer << @update.source_location.join(':') << ' '
	end
	
	buffer << @values.to_s << '>'
	
	return buffer
end