From cf01ac1f05f1b339882e09ba6fc7748be3f78575 Mon Sep 17 00:00:00 2001
From: Richard Walters <rwalters@digitalstirling.com>
Date: Mon, 2 Dec 2019 20:37:23 -0800
Subject: Support first > last for range constructor of CharacterSet

---
 src/CharacterSet.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/CharacterSet.cpp b/src/CharacterSet.cpp
index 5287806..d0b31a4 100644
--- a/src/CharacterSet.cpp
+++ b/src/CharacterSet.cpp
@@ -9,6 +9,7 @@
 
 #include "CharacterSet.hpp"
 
+#include <algorithm>
 #include <set>
 
 namespace Uri {
@@ -51,6 +52,9 @@ namespace Uri {
     CharacterSet::CharacterSet(char first, char last)
         : impl_(new Impl)
     {
+        if (first > last) {
+            std::swap(first, last);
+        }
         for (char c = first; c < last + 1; ++c) {
             (void)impl_->charactersInSet.insert(c);
         }
-- 
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