public Option <RT> Match <RT>(Func <T1, RT> type1Func, Action <T2> type2Action)
{
return(Match <Option <RT> >(
x => type1Func(x),
x => {
type2Action(x);
return Option.New <RT>();
}
));
}
public Option <RT> Match <RT>(Action <T1> type1Action, Func <T2, RT> type2Func)
{
return(Match <Option <RT> >(
x => {
type1Action(x);
return Option.New <RT>();
},
x => type2Func(x)
));
}
private static int GetFirstSequenceGap(IEnumerable <int> seq)
{
var currentMax = seq.Max();
var fullSeq = Methods.CreateSequence <int>(
x => x.Match <Option <int> >(
y => y > currentMax ? new Option <int>() : Option.New(y + 1),
y => 0
)
);
return(fullSeq.Except(seq).First());
}