ANandrewfromx·Jul 30, 2022
found this in the middle of https://github.com/ReactiveCocoa/ReactiveSwift/blob/master/D... after the "Mapping" example
In Interactive Diagrams for ReactiveCocoaReactiveCocoa
ReactiveSwift
Swift2018–2022
ReactiveCocoa / ReactiveSwift
ReactiveSwift
Streams of values over time
2Distinct people
2Mentions
0Explicit recommenders
3KGitHub stars
What to know before exploring
What it is
Streams of values over time
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
No recommendation phrase was found in the indexed comments.
No classified warning is attached to this page. Read the discussions before treating silence as approval.
Also in these discussions
No other repository is repeatedly linked in the same discussions.
This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 12:54:37 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Mentions over time
HN mentions by year2 dated mentions
Observed mentions: 2018-01-26 23:36:38 UTC to 2022-07-30 17:55:06 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2018 | 2018-01-01 00:00:00 UTC | 2019-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2019 | 2019-01-01 00:00:00 UTC | 2020-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2020 | 2020-01-01 00:00:00 UTC | 2021-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2021 | 2021-01-01 00:00:00 UTC | 2022-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2022 | 2022-01-01 00:00:00 UTC | 2023-01-01 00:00:00 UTC | 1 | 0 | 1 |
What Hacker News says
2 sourcesKickstarter uses “Swift Playgrounds for iterative development and styling. Most major screens in the app get a corresponding playground where we can see a wide variety of devices, languages and data in real time.” (The Kickstarter iOS app is open-source [0]; see their playgrounds [1].)
Here’s [2] Brandon Williams’ talk Finding Happiness in Functional Programming (starts at “Playground-Driven Development,” but I suggest watching the whole talk), [3] the Swift Talk episode “Playground-Driven Development” (Brandon Williams and Chris Eidhof), and [4] the Swift Talk episode “Test-Driven Reactive Programming” (Lisa Luo and Chris) wherein they build a small but complete PoC all within Playgrounds.
There are many more examples, such as Chris Lattner’s own Dynamic Member Lookup proposal [5] Python Interop playground [6] and Reactive Swift’s gettin
Read the rest
g started playgrounds [7].
Playgrounds are very much entangled with Swift’s core (value proposition).
[0] https://github.com/kickstarter/ios-oss
[1] https://github.com/kickstarter/ios-oss/tree/master/Kickstart...
[2] https://www.youtube.com/watch?v=A0VaIKK2ijM&feature=youtu.be...
[3] https://talk.objc.io/episodes/S01E51-playground-driven-devel...
[4] https://talk.objc.io/episodes/S01E53-test-driven-reactive-pr...
[5] https://github.com/apple/swift-evolution/blob/master/proposa...
[6] https://lists.swift.org/pipermail/swift-evolution/Week-of-Mo... (download the attachment)
[7] https://github.com/ReactiveCocoa/ReactiveSwift/tree/master/R...