private DiscretePayoffs CreatePayoffs(List <string> payoffs)
{
var result = new DiscretePayoffs();
foreach (var payoff in payoffs)
{
if (!DiscretePayoff.TryParse(payoff, out var o) || o is null)
{
throw new CommandException("payoff", "The payoff can't be parsed");
}
result.Add(o);
}
return(result);
}