Tuple <IIndex <K>, VectorConstruction> IIndexBuilder.GetRange <K>(Tuple <IIndex <K>, VectorConstruction> _arg12, Tuple <FSharpOption <Tuple <K, BoundaryBehavior> >, FSharpOption <Tuple <K, BoundaryBehavior> > > _arg13)
{
Tuple <IIndex <K>, VectorConstruction> tuple1 = _arg12;
VectorConstruction vectorConstruction = tuple1.Item2;
IIndex <K> index = tuple1.Item1;
Tuple <FSharpOption <Tuple <K, BoundaryBehavior> >, FSharpOption <Tuple <K, BoundaryBehavior> > > tuple2 = _arg13;
FSharpOption <Tuple <K, BoundaryBehavior> > fsharpOption1 = tuple2.Item1;
FSharpOption <Tuple <K, BoundaryBehavior> > fsharpOption2 = tuple2.Item2;
Tuple <long, long> tuple3 = new Tuple <long, long>(0L, index.KeyCount - 1L);
long num1 = tuple3.Item1;
long num2 = tuple3.Item2;
FSharpOption <Tuple <K, BoundaryBehavior> > fsharpOption3 = fsharpOption1;
long num3;
if (fsharpOption3 != null)
{
FSharpOption <Tuple <K, BoundaryBehavior> > fsharpOption4 = fsharpOption3;
K key = fsharpOption4.get_Value().Item1;
Lookup lookup = !fsharpOption4.get_Value().Item2.Equals((object)BoundaryBehavior.get_Exclusive(), LanguagePrimitives.get_GenericEqualityComparer()) ? Lookup.ExactOrGreater : Lookup.Greater;
FSharpChoice <Unit, Tuple <K, long> > fsharpChoice = OptionalValueModule.MissingPresent <Tuple <K, long> >(index.Lookup(key, lookup, (Func <long, bool>) new LinearIndex.loBound()));
num3 = !(fsharpChoice is FSharpChoice <Unit, Tuple <K, long> > .Choice1Of2) ? ((FSharpChoice <Unit, Tuple <K, long> > .Choice2Of2)fsharpChoice).get_Item().Item2 : num2 + 1L;
}
else
{
num3 = num1;
}
long startAddress = num3;
FSharpOption <Tuple <K, BoundaryBehavior> > fsharpOption5 = fsharpOption2;
long num4;
if (fsharpOption5 != null)
{
FSharpOption <Tuple <K, BoundaryBehavior> > fsharpOption4 = fsharpOption5;
K key = fsharpOption4.get_Value().Item1;
Lookup lookup = !fsharpOption4.get_Value().Item2.Equals((object)BoundaryBehavior.get_Exclusive(), LanguagePrimitives.get_GenericEqualityComparer()) ? Lookup.ExactOrSmaller : Lookup.Smaller;
FSharpChoice <Unit, Tuple <K, long> > fsharpChoice = OptionalValueModule.MissingPresent <Tuple <K, long> >(index.Lookup(key, lookup, (Func <long, bool>) new LinearIndex.hiBound()));
num4 = !(fsharpChoice is FSharpChoice <Unit, Tuple <K, long> > .Choice1Of2) ? ((FSharpChoice <Unit, Tuple <K, long> > .Choice2Of2)fsharpChoice).get_Item().Item2 : num1 - 1L;
}
else
{
num4 = num2;
}
long endAddress = num4;
if (endAddress < startAddress)
{
return(new Tuple <IIndex <K>, VectorConstruction>((IIndex <K>) new LinearIndex <K>(System.Array.AsReadOnly <K>(new K[0]), (IIndexBuilder)this, FSharpOption <bool> .Some(true)), VectorConstruction.NewEmpty(0L)));
}
return(new Tuple <IIndex <K>, VectorConstruction>((IIndex <K>) new LinearRangeIndex <K>(index, startAddress, endAddress), VectorConstruction.NewGetRange(vectorConstruction, RangeRestriction <long> .NewFixed(startAddress, endAddress))));
}
bool IDictionary <K, V> .TryGetValue(K key, ref V value)
{
FSharpOption <Tuple <K, V> > fsharpOption = (FSharpOption <Tuple <K, V> >)SeqModule.TryFind <Tuple <K, V> >((FSharpFunc <M0, bool>) new SeriesExtensions.System\u002DCollections\u002DGeneric\u002DIDictionary\u002DTryGetValue <K, V>(key), (IEnumerable <M0>)SeqModule.Zip <K, V>((IEnumerable <M0>) this.keys, (IEnumerable <M1>) this.values));
if (fsharpOption == null)
{
return(false);
}
V v = fsharpOption.get_Value().Item2;
value = v;
return(true);
}