/// <summary>
/// Cors attribute
/// </summary>
/// <param name="policy"></param>
public CorsAttribute(CorsPolicy policy)
{
_policy = policy ?? throw new ArgumentNullException(nameof(policy));
}
/// <summary>
/// Creates a new instance of the <see cref="CorsPolicyBuilder"/>.
/// </summary>
/// <param name="policy">The policy which will be used to intialize the builder.</param>
public CorsPolicyBuilder(CorsPolicy policy)
{
Combine(policy);
}