From 85a30813c8d9b0eccefcdc59e9e4e602a7fffae7 Mon Sep 17 00:00:00 2001
From: Niels <niels.lohmann@gmail.com>
Date: Sat, 7 May 2016 20:22:58 +0200
Subject: [PATCH] removed unnecessary code (numbers must not begin with "+")

---
 README.md         | 2 +-
 src/json.hpp      | 4 ----
 src/json.hpp.re2c | 4 ----
 test/unit.cpp     | 4 ++++
 4 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index f8cb20d6..c9f3a713 100644
--- a/README.md
+++ b/README.md
@@ -449,7 +449,7 @@ $ make
 $ ./json_unit "*"
 
 ===============================================================================
-All tests passed (5568703 assertions in 31 test cases)
+All tests passed (5568705 assertions in 31 test cases)
 ```
 
 For more information, have a look at the file [.travis.yml](https://github.com/nlohmann/json/blob/master/.travis.yml).
diff --git a/src/json.hpp b/src/json.hpp
index 932ab9e5..51536550 100644
--- a/src/json.hpp
+++ b/src/json.hpp
@@ -8448,10 +8448,6 @@ basic_json_parser_63:
             {
                 type = value_t::number_unsigned;
                 max = static_cast<uint64_t>(std::numeric_limits<number_unsigned_t>::max());
-                if (*curptr == '+')
-                {
-                    curptr++;
-                }
             }
 
             // count the significant figures
diff --git a/src/json.hpp.re2c b/src/json.hpp.re2c
index 77a1eea9..c8b66e92 100644
--- a/src/json.hpp.re2c
+++ b/src/json.hpp.re2c
@@ -7758,10 +7758,6 @@ class basic_json
             {
                 type = value_t::number_unsigned;
                 max = static_cast<uint64_t>(std::numeric_limits<number_unsigned_t>::max());
-                if (*curptr == '+')
-                {
-                    curptr++;
-                }
             }
 
             // count the significant figures
diff --git a/test/unit.cpp b/test/unit.cpp
index de00166f..9b735108 100644
--- a/test/unit.cpp
+++ b/test/unit.cpp
@@ -9776,6 +9776,10 @@ TEST_CASE("parser class")
                 CHECK_THROWS_AS(json::parser("-0e-:").parse(), std::invalid_argument);
                 CHECK_THROWS_AS(json::parser("-0f").parse(), std::invalid_argument);
 
+                // numbers must not begin with "+"
+                CHECK_THROWS_AS(json::parser("+1").parse(), std::invalid_argument);
+                CHECK_THROWS_AS(json::parser("+0").parse(), std::invalid_argument);
+
                 CHECK_THROWS_WITH(json::parser("01").parse(),
                                   "parse error - unexpected number literal; expected end of input");
                 CHECK_THROWS_WITH(json::parser("--1").parse(), "parse error - unexpected '-'");