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Rename childrenContainsFeed to childrenContain. Add assertionFailure — expecting pointer equality.

This commit is contained in:
Brent Simmons 2017-10-18 18:13:49 -07:00
parent 3ea60cb461
commit f90bf3bea1
1 changed files with 7 additions and 5 deletions
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12
Frameworks/Account/Folder.swift
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@ -109,13 +109,11 @@ public final class Folder: DisplayNameProvider, Container, UnreadCountProvider {
func addFeed(_ feed: Feed) -> Bool {
// The feed has been uniqued at this point.
// Return true in the case where the feed is already a child.
if childrenContainsFeed(feed) {
return true
}
if !childrenContain(feed) {
children += [feed]
}
return true
}
@ -141,11 +139,15 @@ private extension Folder {
unreadCount = calculateUnreadCount(children)
}
func childrenContainsFeed(_ feed: Feed) -> Bool {
func childrenContain(_ feed: Feed) -> Bool {
return children.contains(where: { (object) -> Bool in
if object === feed {
return true
}
if let oneFeed = object as? Feed {
if oneFeed.feedID == feed.feedID {
assertionFailure("Expected feeds to match by pointer equality rather than by feedID.")
return true
}
}