xo-unit: docs: + example programs

example/ex3/ex3.cpp

@@ -0,0 +1,19 @@
+/** @file ex3.cpp **/
+
+#include "xo/unit/quantity.hpp"
+#include <iostream>
+
+int
+main () {
+    namespace u = xo::obs::units;
+    namespace qty = xo::obs::qty;
+    using xo::obs::quantity;
+    using namespace std;
+
+    auto t1 = qty::milliseconds(1);
+    auto t2 = qty::minutes(1);
+
+    cerr << "t1: " << t1 << ", t2: " << t2 << ", t1*t2: " << t1*t2 << endl;
+}
+
+/** end ex3.cpp **/