From b26786259f13b8a83eaff0ac46dd052c18960df5 Mon Sep 17 00:00:00 2001
From: Tualatrix Chou <tualatrix@gmail.com>
Date: Tue, 29 Jan 2019 22:00:43 +0800
Subject: [PATCH] Fix build on Xcode 10.2 beta

---
 Sources/NodeSet.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sources/NodeSet.swift b/Sources/NodeSet.swift
index 36d5247..95f7090 100644
--- a/Sources/NodeSet.swift
+++ b/Sources/NodeSet.swift
@@ -74,7 +74,7 @@ open class NodeSet: Collection {
    - returns: the idx'th node, nil if out of range
   */
   open subscript(_ idx: Index) -> XMLElement {
-    _precondition(idx >= startIndex && idx < endIndex, "Index of out bound")
+    precondition(idx >= startIndex && idx < endIndex, "Index of out bound")
     return XMLElement(cNode: (cNodeSet!.pointee.nodeTab[idx])!, document: document)
   }