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so_5::details::make_message_instance_impl metafunction doesn't set message mutability flag properly #68

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so_5::details::make_message_instance_impl metafunction doesn't set message mutability flag properly#68
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eao197
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SO-5.8.1
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@eao197
eao197
opened on Sep 19, 2023

It seems that make_message_instance_impl should call mark_as_mutable_if_necessary:

sobjectizer/dev/so_5/message.hpp

Lines 862 to 876 in 5035f99

template< bool is_signal, typename Msg >
struct make_message_instance_impl
{
using E = typename message_payload_type< Msg >::envelope_type;
template< typename... Args >
[[nodiscard]]
static std::unique_ptr< E >
make( Args &&... args )
{
ensure_not_signal< Msg >();
return std::unique_ptr< E >( new E( std::forward< Args >(args)... ) );
}
};

Without this call limit_then_transform can make a mutable message and send it into MPMC mbox.

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