# Encapsules the concept of a position inside a string.
#
class Parslet::Position
attr_reader :bytepos
include Comparable
def initialize string, bytepos
@string = string
@bytepos = bytepos
end
def charpos
@string.byteslice(0, @bytepos).size
end
def <=> b
self.bytepos <=> b.bytepos
end
end