From 0ab40dc1ab4e689921da54080b135e1d22b1c586 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Tue, 14 Mar 2017 21:45:23 +0100
Subject: Refactoring louloulibs and cmake

Use OBJECT libraries
Remove the louloulibs directory
Write FOUND variables in the cache
---
 src/utils/get_first_non_empty.hpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/utils/get_first_non_empty.hpp

(limited to 'src/utils/get_first_non_empty.hpp')

diff --git a/src/utils/get_first_non_empty.hpp b/src/utils/get_first_non_empty.hpp
new file mode 100644
index 0000000..a38f5fb
--- /dev/null
+++ b/src/utils/get_first_non_empty.hpp
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <string>
+
+bool is_empty(const std::string& val);
+bool is_empty(const int& val);
+
+template <typename T>
+T get_first_non_empty(T&& last)
+{
+  return last;
+}
+
+template <typename T, typename... Args>
+T get_first_non_empty(T&& first, Args&&... args)
+{
+  if (!is_empty(first))
+    return first;
+  return get_first_non_empty(std::forward<Args>(args)...);
+}
-- 
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