public static T[] WithRepeatedItem <T>(this SCG.IEnumerable <T> items, Func <T> item, int count, Random random)
{
var array = items.Concat(item.Repeat(count)).ToArray();
array.Shuffle(random);
return(array);
}
SCG.IEnumerable <IntermFResult.single_suggestion> rec_down(SCG.IEnumerable <string> pref)
{
if (payload != null)
{
yield return new IntermFResult.single_suggestion {
steps = pref.ToArray(), val = this
}
}
;
foreach (var kv in D.RangeAll())
{
string name_edge = kv.Key;
SuggestionTree <Pay> subtree = kv.Value;
foreach (var sub_res in subtree.rec_down(pref.Concat(new [] { name_edge }).ToArray()))
{
yield return(sub_res);
}
}
}