[lang] Reorganize language learning archive

1 files changed, 28 insertions, 0 deletions

diff --git a/lang/cpptour/enumcls.cc b/lang/cpptour/enumcls.cc
new file mode 100644
index 0000000..2340f65
--- /dev/null
+++ b/lang/cpptour/enumcls.cc
@@ -0,0 +1,28 @@
+#include <iostream>
+
+using namespace std;
+
+enum class Color { red, blue, green };
+enum class TraficLight { green, yellow, red };
+
+TraficLight& operator++ (TraficLight& t)
+{
+  switch (t)
+    {
+    case TraficLight::green:
+      return t = TraficLight::yellow;
+    case TraficLight::yellow:
+      return t = TraficLight::red;
+    case TraficLight::red:
+      return t = TraficLight::green;
+    }
+}
+
+int
+main ()
+{
+  Color col = Color::red;
+  TraficLight light = TraficLight::red;
+  TraficLight nxt = ++light;
+  // ugh now we test if it compiles? just wanna build some muscle memory
+}