From 11ae789f774bc8c7d2c67b21f9c827147aa344fa Mon Sep 17 00:00:00 2001
From: johnpatrickmorgan <johnpatrickmorganuk@gmail.com>
Date: Thu, 23 Feb 2023 23:41:37 +0000
Subject: [PATCH] Avoids explicitly unwrapping mirror

---
 Sources/NavigationBackport/DestinationBuilderHolder.swift | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Sources/NavigationBackport/DestinationBuilderHolder.swift b/Sources/NavigationBackport/DestinationBuilderHolder.swift
index 9794d4f..e858d09 100644
--- 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))")
     }