Merge pull request #2 from ivanrein/fix-force-unwrap

fix force unwrapping
bandlab · Sep 22, 2021 · 29b3872 · 29b3872
2 parents 11df0e7 + dc825ae
commit 29b3872
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/Sources/Skylab/UserDefaultsStorage.swift b/Sources/Skylab/UserDefaultsStorage.swift
@@ -47,10 +47,11 @@ class UserDefaultsStorage: Storage {
     func load() {
         mapLock.withCriticalScope {
             do {
-                let data = userDefaults.value(forKey: self.sharedPrefsKey) as! Data
-                let loaded = try JSONDecoder().decode([String:Variant].self, from: data)
-                for (key, value) in loaded {
-                    map[key] = value
+                if let data = userDefaults.value(forKey: self.sharedPrefsKey) as? Data {
+                    let loaded = try JSONDecoder().decode([String:Variant].self, from: data)
+                    for (key, value) in loaded {
+                        map[key] = value
+                    }
                 }
             } catch {
                 print("[Experiment] load failed: \(error)")