From 27fe50dc92ca069deaefd6f255e59b74eaf00ef7 Mon Sep 17 00:00:00 2001
From: Niels Lohmann <mail@nlohmann.me>
Date: Tue, 26 May 2020 12:46:04 +0200
Subject: [PATCH] :memo: add example for contains #2133

Closes #2133.
---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 3ae3f799..077a60bc 100644
--- a/README.md
+++ b/README.md
@@ -544,6 +544,11 @@ for (auto& [key, value] : o.items()) {
 }
 
 // find an entry
+if (o.contains("foo")) {
+  // there is an entry with key "foo"
+}
+
+// or via find and an iterator
 if (o.find("foo") != o.end()) {
   // there is an entry with key "foo"
 }