From 951d0920fc0a42476846bc2e6eb3ed7428dc81c1 Mon Sep 17 00:00:00 2001
From: Niels Lohmann <mail@nlohmann.me>
Date: Fri, 14 Apr 2017 17:36:45 +0200
Subject: [PATCH] :bug: fixed README example

The example with the size() operator is bad: using operator[] already
changes the size of the object. The fix makes it clearer.
---
 doc/examples/README.cpp    |  4 +++-
 doc/examples/README.output | 27 ---------------------------
 2 files changed, 3 insertions(+), 28 deletions(-)
 delete mode 100644 doc/examples/README.output

diff --git a/doc/examples/README.cpp b/doc/examples/README.cpp
index b928e116..d8cd4d67 100644
--- a/doc/examples/README.cpp
+++ b/doc/examples/README.cpp
@@ -1,4 +1,5 @@
 #include <json.hpp>
+#include <iomanip> // for std::setw
 
 using json = nlohmann::json;
 
@@ -29,7 +30,8 @@ int main()
     j["new"]["key"]["value"] = {"another", "list"};
 
     // count elements
-    j["size"] = j.size();
+    auto s = j.size();
+    j["size"] = s;
 
     // pretty print with indent of 4 spaces
     std::cout << std::setw(4) << j << '\n';
diff --git a/doc/examples/README.output b/doc/examples/README.output
deleted file mode 100644
index 3226f729..00000000
--- a/doc/examples/README.output
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-    "answer": {
-        "everything": 42
-    },
-    "happy": true,
-    "list": [
-        1,
-        0,
-        2
-    ],
-    "name": "Niels",
-    "new": {
-        "key": {
-            "value": [
-                "another",
-                "list"
-            ]
-        }
-    },
-    "nothing": null,
-    "object": {
-        "currency": "USD",
-        "value": 42.99
-    },
-    "pi": 3.141,
-    "size": 9
-}