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Add Clarification to BehaviorSubject and grammar fixes

This commit is contained in:
Nicholas Maccharoli 2016-04-26 15:08:56 +09:00
parent 7133d6a6e5
commit 8bbc952c6f
1 changed files with 5 additions and 1 deletions
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6
Rx.playground/Pages/Subjects.xcplaygroundpage/Contents.swift
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@ -53,6 +53,10 @@ example("PublishSubject") {
## ReplaySubject
`ReplaySubject` emits to any observer all of the items that were emitted by the source Observable(s), regardless of when the observer subscribes.
When a new observer subscribes to a `ReplaySubject` it will receive only the past sent items that are currently
held in the buffer and then any new items that come later.
In the example below the buffer size is `1` so new observers will be able to see at most `1` item
from the past. i.e `Subscription: 2` will see the item `"b"` that was sent just before it subscribed but not `"a"` since the buffer size is less than `2`.
![](https://raw.githubusercontent.com/kzaher/rxswiftcontent/master/MarbleDiagrams/png/replaysubject.png)
*/
@ -96,7 +100,7 @@ example("BehaviorSubject") {
## Variable
`Variable` wraps `BehaviorSubject`. Advantage of using variable over `BehaviorSubject` is that variable can never explicitly complete or error out, and `BehaviorSubject` can in case `Error` or `Completed` message is send to it. `Variable` will also automatically complete in case it's being deallocated.
`Variable` wraps `BehaviorSubject`. The Advantage of using variable over `BehaviorSubject` is that `Variable` can never explicitly complete or error out, whereas `BehaviorSubject` can emit `Error` or `Completed` messages. `Variable` will also automatically complete if deallocated.
*/
example("Variable") {