Beta constructor

Beta(
  1. double alpha,
  2. double beta
)

Implementation

factory Beta(double alpha, double beta) {
  if (alpha <= 0) {
    throw ArgumentError.value(
        alpha, 'alpha', "Alpha must be greater than zero.");
  }
  if (beta <= 0) {
    throw ArgumentError.value(
        beta, 'beta', "Beta must be greater than zero.");
  }

  return Beta._(alpha, beta);
}