starred/CoreStore
1
0
Fork 0
mirror of https://github.com/JohnEstropia/CoreStore.git synced 2026-01-14 13:13:33 +01:00
Code Issues 95 Packages Projects Releases 10 Wiki Activity

ignore negative indexes when using ListMonitor's safeIndex API

Browse Source
This commit is contained in:
John Estropia
2016-06-09 17:57:15 +09:00
parent b9353238e8
commit dcf562fb26
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Sources/Observing/ListMonitor.swift
View File

@@ -121,13 +121,15 @@ public final class ListMonitor<T: NSManagedObject>: Hashable {
!self.isPendingRefetch || NSThread.isMainThread(),
"Attempted to access a \(cs_typeName(self)) outside the main thread while a refetch is in progress."
)
guard sectionIndex >= 0 && itemIndex >= 0 else {
return nil
}
guard let sections = self.fetchedResultsController.sections
where sectionIndex < sections.count else {
return nil
}
let section = sections[sectionIndex]
guard itemIndex < section.numberOfObjects else {