Method: Datacite::Mapping::GeoLocationPoint#<=>

Defined in:

lib/datacite/mapping/geo_location_point.rb

#<=>(other) ⇒ Fixnum^?

Sorts points from north to south and from east to west, and compares them for equality.

Parameters:

• other (GeoLocationPoint) —

  the point to compare

Returns:

• (Fixnum, nil) —

  the sort order (-1, 0, or 1), or nil if other is not a Datacite::Mapping::GeoLocationPoint

# File 'lib/datacite/mapping/geo_location_point.rb', line 65

def <=>(other)
  return nil unless other.class == self.class
  %i[latitude longitude].each do |c|
    order = send(c) <=> other.send(c)
    return order if order.nonzero?
  end
  0
end