demarches-normaliennes/app/models/logic/empty.rb
simon lehericey 6ebfc505c4 add empty
2022-06-17 14:53:27 +02:00

21 lines
286 B
Ruby

class Logic::Empty < Logic::Term
def to_s = "empty member"
def type = :empty
def errors(_stable_ids = nil) = ['empty']
def to_h
{
"op" => self.class.name
}
end
def self.from_h(_h)
self.new
end
def ==(other)
self.class == other.class
end
end