public IStatefulChain <T> Run()
{
IStatefulChain <T> result = null;
if (null != this.trans)
{
bool do_this = this.predicate(this.Item);
if (do_this)
{
this.action(this.Item);
this.Item = this.trans(this.Item);
result = this;
}
}
return(result);
}
private static bool _Run()
{
bool result = true;
int current = 0;
int last = 0;
IStatelessChain <int> statelessChain = StatelessChain <int> .Create((x) => x < 3, F.DoNothing <int>);
while (null != statelessChain)
{
last = current;
current++;
statelessChain = statelessChain.Run(current);
}
result = result.And(F.equ_int(last, 2));
int count = 0;
IStatefulChain <int> statefulChain = StatefulChain <int> .Create((x) => x < 3, (y) => { count++; }, (v) => v + 1, 0);
while (null != statefulChain)
{
statefulChain = statefulChain.Run();
}
result = result && (count == 3);
return(result);
}
public static IStatefulChain <T> Run(IStatefulChain <T> item)
{
return(item.Run());
}