public static Boolean Any <T>(
this IDelayed <ISeq <T> > delayedSeq)
{
return(delayedSeq.Force().Case(
empty: () => false,
headAndTail: _ => true));
}
public static bool Any <T>(
this IDelayed <ISeq <T> > delayedSeq)
{
return(delayedSeq.Force().Case(
() => false,
_ => true));
}
public static T1 Foldl <T0, T1>(this IDelayed <ISeq <T0> > delayedSeq, T1 init, Func <T1, T0, T1> func)
{
return(delayedSeq.Force()
.Case(
() =>
init,
pair => pair.Item1.Foldl(func(init, pair.Item0), func)));
}
public static T1 Foldr <T0, T1>(this IDelayed <ISeq <T0> > delayedSeq, T1 init, Func <T0, T1, T1> func)
{
return(delayedSeq.Force()
.Case(
empty: () =>
init,
headAndTail: pair =>
func(pair.Item0, Seq.Foldr(pair.Item1, init, func))));
}
public static Boolean Any <T>(
this IDelayed <ISeq <T> > delayedSeq,
Func <T, Boolean> predicate)
{
return(delayedSeq.Force().Case(
empty: () => false,
headAndTail: pair =>
predicate(pair.Item0) || Seq.Any(pair.Item1, predicate)));
}
public static void ForEach <T>(
this IDelayed <ISeq <T> > delayedSeq,
Action <T> action)
{
foreach (var item in delayedSeq.Force().AsEnumerable())
{
action(item);
}
}
public static bool Any <T>(
this IDelayed <ISeq <T> > delayedSeq,
Func <T, bool> predicate)
{
return(delayedSeq.Force().Case(
() => false,
pair =>
predicate(pair.Item0) || pair.Item1.Any(predicate)));
}
public static Parser <TToken, T> Choice <TToken, T>(
IDelayed <ISeq <Parser <TToken, T> > > parsers)
{
return(parsers.Force().Case(
() =>
Parser.Fail <TToken, T>("Failure: Combinator.Choice"),
pair =>
pair.Item0.Or(Choice(pair.Item1))));
}
public static Parser <TToken, IDelayed <ISeq <T> > > Sequence <TToken, T>(
IDelayed <ISeq <Parser <TToken, T> > > parsers)
{
return(parsers.Force().Case(
() =>
Parser.Return <TToken, IDelayed <ISeq <T> > >(Seq.Empty <T>()),
pair =>
pair.Item0.SelectMany(value0 => Sequence(pair.Item1).Select(value1 => Seq.Cons(value0, value1)))));
}
public static Parser <TToken, T> Choice <TToken, T>(
IDelayed <ISeq <Parser <TToken, T> > > parsers)
{
return(parsers.Force().Case(
empty: () =>
Parser.Fail <TToken, T>("Failure: Combinator.Choice"),
headAndTail: pair =>
pair.Item0.Or(InternalCombinator.Choice(pair.Item1))));
}
public static Parser <TToken, IDelayed <ISeq <T> > > Sequence <TToken, T>(
IDelayed <ISeq <Parser <TToken, T> > > parsers)
{
return(parsers.Force().Case(
empty: () =>
Parser.Return <TToken, IDelayed <ISeq <T> > >(Seq.Empty <T>()),
headAndTail: pair =>
pair.Item0.SelectMany(value0 => InternalCombinator.Sequence(pair.Item1).Select(value1 => Seq.Cons(value0, value1)))));
}
public static IDelayed <T1> SelectMany <T0, T1>(
this IDelayed <T0> value,
Func <T0, IDelayed <T1> > selector)
{
return(selector(value.Force()));
}
public static IDelayed <T1> Select <T0, T1>(
this IDelayed <T0> value,
Func <T0, T1> selector)
{
return(Delayed.Return(() => selector(value.Force())));
}
public ITokenStream <T> MoveNext()
{
return(restStream.Force());
}
public static Parser <TToken, T> Lazy <TToken, T>(
IDelayed <Parser <TToken, T> > delayedParser)
{
return(stream => delayedParser.Force()(stream));
}
public static Int32 Count <T>(this IDelayed <ISeq <T> > delayedSeq)
{
return(delayedSeq.Force()
.AsEnumerable().Count());
}