| %...!% | Promise pipe operators | 
| %...>% | Promise pipe operators | 
| %...T!% | Promise pipe operators | 
| %...T>% | Promise pipe operators | 
| as.promise | Coerce to a promise | 
| catch | Access the results of a promise | 
| finally | Access the results of a promise | 
| future_promise | 'future' promise | 
| future_promise_queue | 'future' promise | 
| is.promise | Coerce to a promise | 
| is.promising | Coerce to a promise | 
| new_promise_domain | Promise domains | 
| pipes | Promise pipe operators | 
| promise | Create a new promise object | 
| promise_all | Combine multiple promise objects | 
| promise_map | Promise-aware lapply/map | 
| promise_race | Combine multiple promise objects | 
| promise_reduce | Promise-aware version of Reduce | 
| promise_reject | Create a resolved or rejected promise | 
| promise_resolve | Create a resolved or rejected promise | 
| then | Access the results of a promise | 
| with_promise_domain | Promise domains |