Return e_UNKWOWN. Called from CopyMoveState::get, this default implementation is called if a customized copyMoveState is not found via ADL for a specific type. Note that this overload is defined such that, if copyMoveState is customized for a type, the customization is "inherited" by derived types.
Declared in <bsltf_copymovestate.h>
bsltf::CopyMoveState::Enum
copyMoveState(bslmf::MatchAnyType);