Minor update for SE-0089

Author: CodaFi

Foundation/NSBundle.swift

@@ -63,7 +63,7 @@ public class Bundle: NSObject {
     }
 
     override public var description: String {
-        return "\(String(Bundle.self)) <\(bundleURL.path!)> (\(isLoaded  ? "loaded" : "not yet loaded"))"
+        return "\(String(describing: Bundle.self)) <\(bundleURL.path!)> (\(isLoaded  ? "loaded" : "not yet loaded"))"
     }
 
 

Foundation/NSHost.swift

@@ -94,7 +94,7 @@ public class Host: NSObject {
                 let lookupInfo = { (content: inout [String], flags: Int32) in
                     let hname = UnsafeMutablePointer<Int8>.allocate(capacity: 1024)
                     if (getnameinfo(info.ai_addr, sa_len, hname, 1024, nil, 0, flags) == 0) {
-                        content.append(String(hname))
+                        content.append(String(describing: hname))
                     }
                     hname.deinitialize()
                     hname.deallocate(capacity: 1024)

Foundation/NSJSONSerialization.swift

@@ -598,7 +598,7 @@ private struct JSONReader {
         }
 
         if !UTF16.isLeadSurrogate(codeUnit) {
-            return (String(UnicodeScalar(codeUnit)), index)
+            return (String(UnicodeScalar(codeUnit)!), index)
         }
 
         guard let (trailCodeUnit, finalIndex) = try consumeASCIISequence("\\u", input: index).flatMap(parseCodeUnit) where UTF16.isTrailSurrogate(trailCodeUnit) else {
@@ -609,7 +609,7 @@ private struct JSONReader {
 
         let highValue = (UInt32(codeUnit  - 0xD800) << 10)
         let lowValue  =  UInt32(trailCodeUnit - 0xDC00)
-        return (String(UnicodeScalar(highValue + lowValue + 0x10000)), finalIndex)
+        return (String(UnicodeScalar(highValue + lowValue + 0x10000)!), finalIndex)
     }
 
     func isHexChr(_ byte: UInt8) -> Bool {

Foundation/NSKeyedArchiver.swift

@@ -238,14 +238,14 @@ public class NSKeyedArchiver : NSCoder {
     }
 
     public class func setClassName(_ codedName: String?, for cls: AnyClass) {
-        let clsName = String(cls.dynamicType)
+        let clsName = String(describing: cls.dynamicType)
         _classNameMapLock.synchronized {
             _classNameMap[clsName] = codedName
         }
     }
 
     public func setClassName(_ codedName: String?, for cls: AnyClass) {
-        let clsName = String(cls.dynamicType)
+        let clsName = String(describing: cls.dynamicType)
         _classNameMap[clsName] = codedName
     }