private TResult ExecuteLastOrDefault <TResult>()
{
var enumerable = new NextProviderEnumerable <TIn, TResult>(this.resource, this.targetExpression);
var predicate = this.GetPredicateArgument <TResult>();
return(predicate == null?enumerable.LastOrDefault() : enumerable.LastOrDefault(predicate));
}
private TResult ExecuteElementAtOrDefault <TResult>()
{
var enumerable = new NextProviderEnumerable <TIn, TResult>(this.resource, this.targetExpression);
return(enumerable.ElementAtOrDefault(this.GetIndexArgument()));
}
