From 3285bac373dbe2814fe8881f5f9d78166ba9f7e5 Mon Sep 17 00:00:00 2001
From: travel <travel@thecover.cn>
Date: Fri, 5 Aug 2016 08:26:16 +0800
Subject: [PATCH] bug fix:fix memory leak when parse template

---
 Sources/Lexer.swift | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Sources/Lexer.swift b/Sources/Lexer.swift
index 3fa90ca..704dd4a 100644
--- a/Sources/Lexer.swift
+++ b/Sources/Lexer.swift
@@ -71,13 +71,13 @@ class Scanner {
 
     var index = content.startIndex
     while index != content.endIndex {
-      let substring = content[index..<content.endIndex]
+      let substring = content.substringFromIndex(index)
       if substring.hasPrefix(until) {
-        let result = content[content.startIndex..<index]
+        let result = content.substringToIndex(index)
         content = substring
 
         if returnUntil {
-          content = content[until.endIndex..<content.endIndex]
+          content = content.substringFromIndex(until.endIndex)
           return result + until
         }
 
@@ -97,10 +97,10 @@ class Scanner {
 
     var index = content.startIndex
     while index != content.endIndex {
-      let substring = content[index..<content.endIndex]
+      let substring = content.substringFromIndex(index)
       for string in until {
         if substring.hasPrefix(string) {
-          let result = content[content.startIndex..<index]
+          let result = content.substringToIndex(index)
           content = substring
           return (string, result)
         }