Update to use LocalPart.description instead of stringValue

- Use .description property from CustomStringConvertible protocol
- More idiomatic Swift (like URL.description vs URL.absoluteString)
- Follows updated RFC package APIs

Author: coenttb

Sources/EmailAddress/EmailAddress+RFC2822.swift

@@ -21,13 +21,13 @@ extension RFC_2822.AddrSpec {
         // Try to use RFC 5322 representation if available (most compatible)
         if let rfc5322 = emailAddress.rfc5322 {
             try self.init(
-                localPart: rfc5322.localPart.stringValue,
+                localPart: rfc5322.localPart.description,
                 domain: rfc5322.domain.name
             )
         } else {
             // Fall back to RFC 6531 (most permissive)
             try self.init(
-                localPart: emailAddress.rfc6531.localPart.stringValue,
+                localPart: emailAddress.rfc6531.localPart.description,
                 domain: emailAddress.rfc6531.domain.name
             )
         }

Sources/EmailAddress/EmailAddress.swift

@@ -90,8 +90,13 @@ extension EmailAddress {
 
     /// The local part (before @)
     public var localPart: String {
-        rfc5321?.localPart.stringValue ?? rfc5322?.localPart.stringValue
-            ?? rfc6531.localPart.stringValue
+        if let rfc5321 = rfc5321 {
+            return rfc5321.localPart.description
+        }
+        if let rfc5322 = rfc5322 {
+            return rfc5322.localPart.description
+        }
+        return rfc6531.localPart.description
     }
 }
 

Sources/EmailAddress/RFC_5321+RFC_5322.swift

@@ -13,7 +13,7 @@ extension RFC_5321.EmailAddress {
     public init(_ rfc5322: RFC_5322.EmailAddress) throws {
         try self.init(
             displayName: rfc5322.displayName,
-            localPart: .init(rfc5322.localPart.stringValue),
+            localPart: .init(rfc5322.localPart.description),
             domain: rfc5322.domain
         )
     }
@@ -30,7 +30,7 @@ extension RFC_5322.EmailAddress {
     public init(_ rfc5321: RFC_5321.EmailAddress) throws {
         try self.init(
             displayName: rfc5321.displayName,
-            localPart: .init(rfc5321.localPart.stringValue),
+            localPart: .init(rfc5321.localPart.description),
             domain: rfc5321.domain
         )
     }

Sources/EmailAddress/RFC_5321+RFC_6531.swift

@@ -14,7 +14,7 @@ extension RFC_5321.EmailAddress {
     public init(_ rfc6531: RFC_6531.EmailAddress) throws {
         try self.init(
             displayName: rfc6531.displayName,
-            localPart: .init(rfc6531.localPart.stringValue),
+            localPart: .init(rfc6531.localPart.description),
             domain: .init(rfc6531.domain.name)
         )
     }
@@ -31,7 +31,7 @@ extension RFC_6531.EmailAddress {
     public init(_ rfc5321: RFC_5321.EmailAddress) throws {
         try self.init(
             displayName: rfc5321.displayName,
-            localPart: .init(rfc5321.localPart.stringValue),
+            localPart: .init(rfc5321.localPart.description),
             domain: rfc5321.domain
         )
     }

Sources/EmailAddress/RFC_5322+RFC_6531.swift

@@ -13,7 +13,7 @@ extension RFC_5322.EmailAddress {
     public init(_ rfc6531: RFC_6531.EmailAddress) throws {
         try self.init(
             displayName: rfc6531.displayName,
-            localPart: .init(rfc6531.localPart.stringValue),
+            localPart: .init(rfc6531.localPart.description),
             domain: rfc6531.domain
         )
     }
@@ -30,7 +30,7 @@ extension RFC_6531.EmailAddress {
     public init(_ rfc5322: RFC_5322.EmailAddress) throws {
         try self.init(
             displayName: rfc5322.displayName,
-            localPart: .init(rfc5322.localPart.stringValue),
+            localPart: .init(rfc5322.localPart.description),
             domain: rfc5322.domain
         )
     }