public static Func <TValue> Weighted <TValue>(this IEnumerable <KeyValuePair <TValue, double> > values)
{
var builder = new WeightedSetBuilder <TValue>();
foreach (var kv in values)
{
builder.Add(kv.Key, kv.Value);
}
return(builder.Build());
}
public static Func <TItem> Weighted <TItem>(this IEnumerable <TItem> items, Func <TItem, int, double> weight)
{
var builder = new WeightedSetBuilder <TItem>();
var i = 0;
foreach (var item in items)
{
builder.Add(item, weight(item, i++));
}
return(builder.Build());
}