// bslalg_typetraitbitwisemoveable.h -*-C++-*- #ifndef INCLUDED_BSLALG_TYPETRAITBITWISEMOVEABLE #define INCLUDED_BSLALG_TYPETRAITBITWISEMOVEABLE #include <bsls_ident.h> BSLS_IDENT("$Id: $") //@PURPOSE: Provide a trait to mark classes as bit-wise moveable. // //@DEPRECATED: Use 'bslmf_isbitwisemoveable' instead. // //@CLASSES: // bslalg::TypeTraitBitwiseMoveable: bit-wise moveable trait // //@SEE_ALSO: bslmf_isbitwisemoveable // //@DESCRIPTION: This component provides a single traits class, // 'bslalg::TypeTraitBitwiseMoveable', which allows the trait // 'bslma::bslmf::IsBitwiseMoveable' to be declared using the (deprecated) // 'BSLALG_DECLARE_NESTED_TRAITS' macro. See the 'bslmf_isbitwisemoveable' // component for details of this trait. // ///Usage ///----- // No Usage example is provided since this component is deprecated. #include <bslscm_version.h> #include <bslmf_isbitwisemoveable.h> #include <bslmf_nestedtraitdeclaration.h> namespace BloombergLP { namespace bslalg { // ============================== // class TypeTraitBitwiseMoveable // ============================== struct TypeTraitBitwiseMoveable { // Objects of a type with this trait can be "moved" from one memory // location to another using 'memmove' or 'memcpy'. Although the result of // such a bitwise copy is two copies of the same object, this trait only // guarantees that one of the copies can be destroyed. The other copy must // be considered invalid and its destructor must not be called. Most // types, even those that contain pointers, are bitwise moveable. // Undefined behavior may result if this trait is assigned to a types that // contains pointers to its own internals, use virtual inheritance, or // places pointers to itself within other data structures. template <class TYPE> struct NestedTraitDeclaration : bslmf::NestedTraitDeclaration<TYPE, bslmf::IsBitwiseMoveable> { // This class template ties the 'bslalg::TypeTraitBitwiseMoveable' // trait tag to the 'bslmf::IsBitwiseMoveable' trait metafunction. }; template <class TYPE> struct Metafunction : bslmf::IsBitwiseMoveable<TYPE>::type { }; }; } // close package namespace #ifndef BDE_OPENSOURCE_PUBLICATION // BACKWARD_COMPATIBILITY // ============================================================================ // BACKWARD COMPATIBILITY // ============================================================================ typedef bslalg::TypeTraitBitwiseMoveable bslalg_TypeTraitBitwiseMoveable; // This alias is defined for backward compatibility. #endif // BDE_OPENSOURCE_PUBLICATION -- BACKWARD_COMPATIBILITY } // close enterprise namespace #endif // ---------------------------------------------------------------------------- // Copyright 2013 Bloomberg Finance L.P. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // ----------------------------- END-OF-FILE ----------------------------------