Function pass_mptr

tests/test_class_sh_basic.cpp:79–79

std::string pass_mref(atyp& obj)       { return "pass_mref:" + obj.mtxt; }
std::string pass_cptr(atyp const* obj) { return "pass_cptr:" + obj->mtxt; }
std::string pass_mptr(atyp* obj)       { return "pass_mptr:" + obj->mtxt; }

std::shared_ptr<atyp>       rtrn_shmp() { return std::make_shared<atyp>("rtrn_shmp"); }
std::shared_ptr<atyp const> rtrn_shcp() { return std::shared_ptr<atyp const>(new atyp{"rtrn_shcp"}); }