public static TResult Start <T1, T2, TResult>(
Func <T1, T2, Bounce <T1, T2, TResult> > action, T1 arg1, T2 arg2)
{
var result = default(TResult);
var bounce = Bounce <T1, T2, TResult> .Continue(arg1, arg2);
while (true)
{
if (bounce.HasResult)
{
result = bounce.Result;
break;
}
bounce = action(bounce.Arg1, bounce.Arg2);
}
return(result);
}
private Bounce <BigInteger, BigInteger, BigInteger> Iteration(BigInteger current, BigInteger n)
{
return(n == 0
? Bounce <BigInteger, BigInteger, BigInteger> .End(current)
: Bounce <BigInteger, BigInteger, BigInteger> .Continue(current *n, n - 1));
}