class Logic::And < Logic::NAryOperator attr_reader :operands def operator_name = 'Et' def compute(champs = []) @operands.map { |operand| operand.compute(champs) }.all? end def to_s(type_de_champs) = "(#{@operands.map { |o| o.to_s(type_de_champs) }.join(' && ')})" end