From c9e359c8e53341cdf8ddfd5f8133fdd4ddde95d7 Mon Sep 17 00:00:00 2001
From: "exercism-solutions-syncer[bot]"
 <211797793+exercism-solutions-syncer[bot]@users.noreply.github.com>
Date: Thu, 23 Apr 2026 17:22:34 +0000
Subject: [PATCH] [Sync Iteration] cpp/hello-world/1

---
 solutions/cpp/hello-world/1/hello_world.cpp |  9 +++++++++
 solutions/cpp/hello-world/1/hello_world.h   | 22 +++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 solutions/cpp/hello-world/1/hello_world.cpp
 create mode 100644 solutions/cpp/hello-world/1/hello_world.h

diff --git a/solutions/cpp/hello-world/1/hello_world.cpp b/solutions/cpp/hello-world/1/hello_world.cpp
new file mode 100644
index 0000000..3493cbb
--- /dev/null
+++ b/solutions/cpp/hello-world/1/hello_world.cpp
@@ -0,0 +1,9 @@
+#include "hello_world.h"
+
+using namespace std;
+
+namespace hello_world {
+
+string hello() { return "Hello, World!"; }
+
+}  // namespace hello_world
diff --git a/solutions/cpp/hello-world/1/hello_world.h b/solutions/cpp/hello-world/1/hello_world.h
new file mode 100644
index 0000000..191a60f
--- /dev/null
+++ b/solutions/cpp/hello-world/1/hello_world.h
@@ -0,0 +1,22 @@
+// This is an include guard.
+// You could alternatively use '#pragma once'
+// See https://en.wikipedia.org/wiki/Include_guard
+#if !defined(HELLO_WORLD_H)
+#define HELLO_WORLD_H
+
+// Include the string header so that we have access to 'std::string'
+#include <string>
+
+// Declare a namespace for the function(s) we are exporting.
+// https://en.cppreference.com/w/cpp/language/namespace
+namespace hello_world {
+
+// Declare the 'hello()' function, which takes no arguments and returns a
+// 'std::string'. The function itself is defined in the hello_world.cpp source
+// file. Because it is inside of the 'hello_world' namespace, it's full name is
+// 'hello_world::hello()'.
+std::string hello();
+
+}  // namespace hello_world
+
+#endif