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Merge pull request #145 from redboltz/add_help_comments_for_compile_error

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Added help comments for compile error.
This commit is contained in:
Takatoshi Kondo 2014-10-27 20:12:44 +09:00
commit 04aa309f24
1 changed files with 69 additions and 0 deletions
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69
include/msgpack/object.hpp
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@ -199,6 +199,39 @@ inline packer<Stream>& operator<< (packer<Stream>& o, const T& v)
template <typename T>
inline void operator<< (object::with_zone& o, const T& v)
{
// If you get a error 'const class your_class has no member named 'msgpack_object',
// check the following:
// 1. The class your_class should have MSGPACK_DEFINE macro or
//
// 2. The class your_class should have the following operator declaration and
// definition:
//
// namespace msgpack {
// MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
// void operator<< (object::with_zone& o, const your_class& v);
// } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
// } // namespace msgpack
//
// See 3.
//
// 3. #include "msgpack.hpp" too early.
// Replace msgpack.hpp with msgpack_fwd.hpp, then,
// place operator declarations as follows:
//
// namespace msgpack {
// MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
// void operator<< (object::with_zone& o, const your_class& v);
// } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
// } // namespace msgpack
//
// then, #include "msgpack.hpp", finally place the operator definitions as follows:
//
// void operator<< (object::with_zone& o, const your_class& v) {
// // set object attributes using v.
// }
// } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
// } // namespace msgpack
//
v.msgpack_object(static_cast<object*>(&o), o.zone);
}
@ -343,6 +376,42 @@ inline object::object()
template <typename T>
inline object::object(const T& v)
{
// If you get a error 'no matching function call to
// operator<<(msgpack::v?::object::object(const T&)
// [with T = your_class]'
//
// check the following:
// 1. The class your_class should have MSGPACK_DEFINE macro or
//
// 2. The class your_class should have the following operator declaration and
// definition:
//
// namespace msgpack {
// MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
// void operator<< (object& o, const your_class& v);
// } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
// } // namespace msgpack
//
// See 3.
//
// 3. #include "msgpack.hpp" too early.
// Replace msgpack.hpp with msgpack_fwd.hpp, then,
// place operator declarations as follows:
//
// namespace msgpack {
// MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
// void operator<< (object& o, const your_class& v);
// } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
// } // namespace msgpack
//
// then, #include "msgpack.hpp", finally place the operator definitions as follows:
//
// void operator<< (object& o, const your_class& v) {
// // set object attributes using v.
// }
// } // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
// } // namespace msgpack
//
msgpack::operator<<(*this, v);
}