18 using System.Collections.Generic;
35 : base(allSymbols, localTime)
55 var monthHashSet = months.ToHashSet();
56 return this.Where(x => monthHashSet.Contains(x.ID.Date.Month));
73 universe.AllSymbols = universe.AllSymbols.Where(predicate).ToList();
85 universe.AllSymbols = universe.AllSymbols.Select(mapFunc).ToList();
97 universe.AllSymbols = universe.AllSymbols.SelectMany(mapFunc).ToList();