[TPython] Avoid using std::make_any in documentation and tests

The `std::make_any` helper has a different signature on MSVC, so to be
truly platform independent we should not use it. We can use `std::any`
directly, at the cost of one extra copy.

Author: guitargeek

bindings/tpython/src/TPython.cxx

@@ -48,15 +48,15 @@
 ///
 ///  // Create a TNamed on the python side, and transfer it back and forth.
 ///  root [1] std::any res1;
-///  root [2] TPython::Exec("_anyresult = ROOT.std.make_any['TNamed']('hello', '')", &res1);
+///  root [2] TPython::Exec("_anyresult = ROOT.std.any(ROOT.TNamed('hello', ''))", &res1);
 ///  root [3] TPython::Bind(&std::any_cast<TNamed&>(res1), "n");
 ///  root [4] std::any res2;
-///  root [5] TPython::Exec("_anyresult = ROOT.std.make_any['TNamed*', 'TNamed*'](n)", &res2);
-///  root [6] (&std::any_cast<TNamed&>(res1) == std::any_cast<TNamed*>(res2))
+///  root [5] TPython::Exec("_anyresult = ROOT.std.any(n)", &res2);
+///  root [6] strcmp(std::any_cast<TNamed&>(res1).GetName(), std::any_cast<TNamed&>(res2).GetName()) == 0
 ///  (bool) true
 ///
 ///  // Variables can cross-over by using an `std::any` with a specific name.
-///  root [6] TPython::Exec("_anyresult = ROOT.std.make_any['Int_t'](1 + 1)", &res1);
+///  root [6] TPython::Exec("_anyresult = ROOT.std.any(1 + 1)", &res1);
 ///  root [7] std::any_cast<int>(res1)
 ///  (int) 2
 /// ~~~

bindings/tpython/test/testTPython.cxx

@@ -37,6 +37,6 @@ TEST(TPython, ExecMultithreading)
 
    // In the end, let's check if the size is correct.
    std::any len;
-   TPython::Exec("_anyresult = ROOT.std.make_any['int'](len(arr))", &len);
+   TPython::Exec("_anyresult = ROOT.std.any(len(arr))", &len);
    EXPECT_EQ(std::any_cast<int>(len), nThreads);
 }

bindings/tpython/test/test_tpython.py

@@ -21,7 +21,7 @@ def test_exec(self):
             {
                std::any out;
                std::stringstream cmd;
-               cmd << "_anyresult = ROOT.std.make_any['int'](" << nIn << ")";
+               cmd << "_anyresult = ROOT.std.any(" << nIn << ")";
                TPython::Exec(cmd.str().c_str(), &out);
                return std::any_cast<int>(out);
             }