diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2010-08-18 20:02:11 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2010-08-18 20:02:11 +0200 |
commit | 2636e266dc7a048e52b40b668c460c2793e897c4 (patch) | |
tree | 9717f573d9733b8cfa09a15ee44ed7768c427d7b /odb/details/meta/polymorphic-p.hxx | |
parent | dce5d0658e67ced4d5fa64f98f598b86917927a7 (diff) |
Move shared_ptr to the details namespace
Diffstat (limited to 'odb/details/meta/polymorphic-p.hxx')
-rw-r--r-- | odb/details/meta/polymorphic-p.hxx | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/odb/details/meta/polymorphic-p.hxx b/odb/details/meta/polymorphic-p.hxx new file mode 100644 index 0000000..6e95144 --- /dev/null +++ b/odb/details/meta/polymorphic-p.hxx @@ -0,0 +1,54 @@ +// file : odb/details/meta/polymorphic-p.hxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_DETAILS_META_POLYMORPHIC_HXX +#define ODB_DETAILS_META_POLYMORPHIC_HXX + +#include <odb/details/meta/class-p.hxx> +#include <odb/details/meta/remove-cv.hxx> + +namespace odb +{ + namespace details + { + namespace meta + { + template <typename CVX> + struct polymorphic_p + { + typedef typename remove_cv<CVX>::r X; + + template <typename Y, bool C> + struct impl + { + static const bool r = false; + }; + + template <typename Y> + struct impl<Y, true> + { + struct t1: Y + { + t1 (); + }; + + struct t2: Y + { + t2 (); + + virtual + ~t2 () throw (); + }; + + static const bool r = sizeof (t1) == sizeof (t2); + }; + + static const bool r = impl<X, class_p<X>::r>::r; + }; + } + } +} + +#endif // ODB_DETAILS_META_POLYMORPHIC_HXX |