| array<- | Assign with type checking |
| atomic<- | Assign with type checking |
| call<- | Assign with type checking |
| character<- | Assign with type checking |
| check<- | Assign with type checking |
| complex<- | Assign with type checking |
| data.frame<- | Assign with type checking |
| declare | Declare symbols |
| double<- | Assign with type checking |
| envir<- | Assign with type checking |
| expression<- | Assign with type checking |
| factor<- | Assign with type checking |
| fun<- | Assign with type checking |
| integer<- | Assign with type checking |
| language<- | Assign with type checking |
| list<- | Assign with type checking |
| logical<- | Assign with type checking |
| matrix<- | Assign with type checking |
| name<- | Assign with type checking |
| null<- | Assign with type checking |
| numeric<- | Assign with type checking |
| object<- | Assign with type checking |
| pairlist<- | Assign with type checking |
| raw<- | Assign with type checking |
| recursive<- | Assign with type checking |
| symbol<- | Assign with type checking |
| table<- | Assign with type checking |
| typed-assign | Assign with type checking |
| vector<- | Assign with type checking |