From d387b80c256c38f73459b45c81d009a16eca17f5 Mon Sep 17 00:00:00 2001
From: Caleb Kleveter <caleb.kleveter@gmail.com>
Date: Wed, 6 Jun 2018 11:58:15 -0500
Subject: [PATCH] Added dynamicMemberLookup to JSON type for Swift 4.2 and
 later

---
 Sources/JSON/JSON.swift | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Sources/JSON/JSON.swift b/Sources/JSON/JSON.swift
index 3e91a90..2d51a2e 100644
--- a/Sources/JSON/JSON.swift
+++ b/Sources/JSON/JSON.swift
@@ -1,4 +1,6 @@
-// @dynamicMemberLookup
+#if swift(>=4.2)
+@dynamicMemberLookup
+#endif
 public enum JSON: Codable, Equatable {
     
     // MARK: - Cases
@@ -10,12 +12,14 @@ public enum JSON: Codable, Equatable {
     indirect case object([String: JSON])
 
     // MARK: - Public Methods
+    #if swift(>=4.2)
     public subscript(dynamicMember member: String) -> JSON {
         switch self {
         case let .object(structure): return structure[member] ?? .null
         default: return .null
         }
     }
+    #endif
     
     public subscript(_ key: String...) -> JSON? {
         do {