Package: promises 1.3.2.9000
Joe Cheng
promises: Abstractions for Promise-Based Asynchronous Programming
Provides fundamental abstractions for doing asynchronous programming in R using promises. Asynchronous programming is useful for allowing a single R process to orchestrate multiple tasks in the background while also attending to something else. Semantics are similar to 'JavaScript' promises, but with a syntax that is idiomatic R.
Authors:
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promises.pdf |promises.html✨
promises/json (API)
NEWS
| # Install 'promises' in R: |
| install.packages('promises', repos = c('https://rstudio.r-universe.dev', 'https://cloud.r-project.org')) |
Bug tracker:https://github.com/rstudio/promises/issues
Last updated 1 days agofrom:afe4099f79. Checks:OK: 9. Indexed: yes.
| Target | Result | Date |
|---|---|---|
| Doc / Vignettes | OK | Nov 28 2024 |
| R-4.5-win-x86_64 | OK | Nov 28 2024 |
| R-4.5-linux-x86_64 | OK | Nov 28 2024 |
| R-4.4-win-x86_64 | OK | Nov 28 2024 |
| R-4.4-mac-x86_64 | OK | Nov 28 2024 |
| R-4.4-mac-aarch64 | OK | Nov 28 2024 |
| R-4.3-win-x86_64 | OK | Nov 28 2024 |
| R-4.3-mac-x86_64 | OK | Nov 28 2024 |
| R-4.3-mac-aarch64 | OK | Nov 28 2024 |
Exports:%...!%%...>%%...T!%%...T>%%>%%T>%as.promisecatchfinallyfuture_promisefuture_promise_queueis.promiseis.promisingnew_promise_domainpromisepromise_allpromise_mappromise_racepromise_reducepromise_rejectpromise_resolvethenwith_promise_domain
Advanced future and promises usage
Rendered frompromises_05_future_promise.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2023-08-10
Started: 2023-08-07
An informal introduction to async programming
Rendered frompromises_02_intro.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2023-08-10
Started: 2023-08-07
Case study: converting a Shiny app to async
Rendered frompromises_08_casestudy.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2024-11-26
Started: 2023-08-07
Combining promises
Rendered frompromises_07_combining.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2023-08-07
Started: 2023-08-07
Launching tasks with future
Rendered frompromises_04_futures.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2024-04-04
Started: 2023-08-07
Using promises with Shiny
Rendered frompromises_06_shiny.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2024-11-26
Started: 2023-08-07
Why use promises?
Rendered frompromises_01_motivation.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2023-08-10
Started: 2023-08-07
Working with promises in R
Rendered frompromises_03_overview.Rmdusingknitr::rmarkdownon Nov 28 2024.Last update: 2023-08-10
Started: 2023-08-07
Readme and manuals
Help Manual
| Help page | Topics |
|---|---|
| 'future' promise | future_promise future_promise_queue |
| Coerce to a promise | as.promise is.promise is.promising |
| Promise pipe operators | %...!% %...>% %...T!% %...T>% pipes |
| Create a new promise object | promise |
| Combine multiple promise objects | promise_all promise_race |
| Promise-aware lapply/map | promise_map |
| Promise-aware version of Reduce | promise_reduce |
| Create a resolved or rejected promise | promise_reject promise_resolve |
| Access the results of a promise | catch finally then |
| Promise domains | new_promise_domain with_promise_domain |
