| 操作符 | 是否延遲 | 作用 |
| Aggregate | ||
| All | ||
| Any | ||
| AsEnumerable | Y | |
| Average | ||
| Cast | Y | |
| Concat | Y | |
| Contains | ||
| Count | ||
| DefaultIfEmpty | Y | |
| DIstinct | Y | |
| ElementAt | ||
| ElementAtOrDefault | ||
| Empty | Y | |
| Except | Y | |
| First | ||
| FirstOrDefault | ||
| GroupBy | Y | |
| GroupJoin | Y | |
| Intersect | Y | |
| Join | Y | |
| Last | ||
| LastOrDefault | ||
| LongCount | ||
| Max | ||
| Min | ||
| OfType | Y | |
| OrderBy | Y | |
| OrderByDescending | Y | |
| Range | Y | |
| Repeat | Y | |
| Reverse | Y | |
| Select | Y | |
| SelectMany | Y | |
| SequenceEqual | ||
| Single | ||
| SingleOrDefault | ||
| Skip | Y | |
| SkipWhile | Y | |
| Sum | ||
| Take | Y | |
| TakeWhile | Y | |
| ThenBy | Y | |
| ThenByDescending | Y | |
| RoArray | ||
| ToDctionary | ||
| ToList | ||
| ToLookup | ||
| Union | Y | |
| Where | Y |
