feat: expose instanceLocation on ValidationError

Author: kylef

CHANGELOG.md

@@ -7,6 +7,10 @@
 - The validation API may now throw errors if the provided JSON Schema is
   invalid.
 
+- The structure of ValidationError has changed to include further information
+  such as the location of the failing instance. ValidationError was previous a
+  String.
+
 ### Enhancements
 
 - The failing required validation error message is now emitted for each

Sources/JSONPointer.swift

@@ -1,7 +1,7 @@
 import Foundation
 
 
-struct JSONPointer {
+public struct JSONPointer {
   var components: [String]
 
   init() {
@@ -16,7 +16,7 @@ struct JSONPointer {
       }
   }
 
-  var path: String {
+  public var path: String {
     return components
       .map {
         $0

Sources/ValidationResult.swift

@@ -6,8 +6,7 @@ public class ValidationError {
     self.instanceLocation = instanceLocation
   }
 
-  // FIXME make this part of public interface
-  let instanceLocation: JSONPointer
+  public let instanceLocation: JSONPointer
 }