display receipt: remove another forcibly unwrapped optional

abarisain · abarisain · commit a404332df0d1 · 2020-12-16T12:07:53.000+01:00
it was safe, though
diff --git a/Sources/Swift/Display Receipt/DisplayReceiptCacheHelper.swift b/Sources/Swift/Display Receipt/DisplayReceiptCacheHelper.swift
@@ -43,7 +43,9 @@ internal struct DisplayReceiptCacheHelper {
     
     static func sharedDefaults() throws -> UserDefaults {
         let groupId = try self.sharedGroupId()
-        return UserDefaults.init(suiteName: groupId)!
+        guard let defaults = UserDefaults.init(suiteName: groupId)
+        else { throw DisplayReceiptHelperError.appGroupError }
+        return defaults
     }
     
     // MARK: Methods updating cache files

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,9 @@ internal struct DisplayReceiptCacheHelper {`
`43`	`43`
`44`	`44`	`static func sharedDefaults() throws -> UserDefaults {`
`45`	`45`	`let groupId = try self.sharedGroupId()`
`46`		`- return UserDefaults.init(suiteName: groupId)!`
	`46`	`+ guard let defaults = UserDefaults.init(suiteName: groupId)`
	`47`	`+ else { throw DisplayReceiptHelperError.appGroupError }`
	`48`	`+ return defaults`
`47`	`49`	`}`
`48`	`50`
`49`	`51`	`// MARK: Methods updating cache files`