xo-XXX -> .xo-XXX (prep subrepo)

xo-unit/example/ex4/ex4.cpp

@@ -1,30 +0,0 @@
-/** @file ex4.cpp **/
-
-#include "xo/unit/quantity.hpp"
-#include "xo/unit/quantity_iostream.hpp"
-#include <iostream>
-
-int
-main () {
-    namespace q = xo::qty::qty;
-
-    auto t1 = q::milliseconds(1);
-    auto t2 = q::minutes(1);
-
-    auto r1 = t1 / with_repr<double>(t2);
-
-    static_assert(r1.is_dimensionless());
-    static_assert(!t2.is_dimensionless());
-
-    static_assert(std::same_as<decltype(static_cast<double>(r1)), double>);
-
-    /* r1_value: assignment compiles,  since r1 dimensionless */
-    double r1_value = r1;
-
-    /* r2_value: assignment won't compile,  'cannot convert' error */
-    //double r2_value = t2;
-
-    std::cerr << "t1: " << t1 << ", t2: " << t2 << ", t1/t2: " << r1 << std::endl;
-}
-
-/** end ex4.cpp */