Rvalue references were introduced for move semantics to avoid copies but are also used to manage the lifetime of temporary objects.
The pre-C++11 feature for extending temporary object lifetimes does not work correctly with rvalue references, necessitating a custom macro to create a value or reference based on expression type.
Standard accessor methods returning a const lvalue reference incorrectly bind to rvalues, losing critical lifetime information and leading to dangling references.
A proposed language fix using pragmas would introduce new, safer reference binding rules to prevent short-lived rvalues from binding to long-lived lvalue references.
Use custom macros to manage variable lifetimes, guard member accessors, and implement a correct ternary operator to work around the language's flawed binding rules.
The best way to manage the growing complexity of C++ is to establish strong internal coding guidelines and use custom libraries to standardize code patterns.
ROSEN Technology and Research Center GmbH
Lingen (Ems), Germany
28:07Jonathan Müller
45:27Andreas Fertig
24:13Jonathan Müller
1:00:16Bjarne Stroustrup
1:01:15Bjarne Stroustrup
26:12Arno Schödl
00:18Stefan Baumgartner
50:43Rainer Stropek
Jobs that call for the skills explored in this talk.
r2p Group
GrammaTech, Inc.
Camden, United States of America
RTX
Concord, United States of America
Jobriver Hr Service
Berlin, Germany
Canonical Ltd.
