public Task <Person> CreatePersonFunctionalAsync(string fullName, string email) =>
dbProvider.CreateOpenConnectionAndAsync(connectionString, conn =>
CreatePersonCommand.BuildFrom(conn, new Dictionary <string, object>
{
{ "@FullName", fullName },
{ "@Email", email }
}).DisposeAfterAsync(async cmd =>
new Person(
id: Convert.ToInt32(await cmd.ExecuteScalarAsync()),
fullName: fullName,
email: email,
optOut: false)
)
);