Avoids explicitly unwrapping mirror

johnpatrickmorgan · Feb 23, 2023 · 11ae789 · 11ae789
1 parent d89f6d5
commit 11ae789
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/Sources/NavigationBackport/DestinationBuilderHolder.swift b/Sources/NavigationBackport/DestinationBuilderHolder.swift
@@ -43,14 +43,14 @@ class DestinationBuilderHolder: ObservableObject {
       }
       assertionFailure("No view builder found for type \(key)")
     } else {
-      var mirror: Mirror? = Mirror(reflecting: base ?? typedData)
-      while mirror != nil {
-        let key = Self.identifier(for: mirror!.subjectType)
+      var possibleMirror: Mirror? = Mirror(reflecting: base ?? typedData)
+      while let mirror = possibleMirror {
+        let key = Self.identifier(for: mirror.subjectType)
 
         if let builder = builders[key], let output = builder(typedData) {
           return output
         }
-        mirror = mirror!.superclassMirror
+        possibleMirror = mirror.superclassMirror
       }
       assertionFailure("No view builder found for type \(type(of: base ?? typedData))")
     }