A monkey patch for the archer:
class RubyWarrior::Space
def archer?
self.unit.kind_of? RubyWarrior::Units::Archer
end
end class RubyWarrior::Space
def archer?
self.unit.kind_of? RubyWarrior::Units::Archer
end
end def wizard?
self.unit.kind_of? RubyWarrior::Units::Wizard
end