What Is The Lifetime Of A Temporary Object Bound To A Reference ...


A temporary object bound to a reference parameter in a function call persists until the completion of the fullexpression containing the call. The lifetime of a. If the initialized object outlives the full expression its reference member becomes a dangling reference. In general the lifetime of a temporary cannot be.

Whenever a reference is bound to a temporary or to a base subobject of a temporary the lifetime of the temporary is extended to match the lifetime of the.

List: gccbugs Subject: [Bug c++/54293] When a reference is bound to subobject of a temporary lifetime of the temporary is From: ppluzhnikov at google dot. Whenever a reference is bound to a temporary or to a base subobject of a temporary the lifetime of the temporary is extended to match the lifetime of the.

If the lifetime of the temporary is extended it will last until the reference goes out of scope. If the lifetime of the temporary isn't extended in the.

[ Note: The lifetime of exception objects is described in [except.throw]. A temporary bound to a reference member in a constructor's ctorinitializer. A reference to T can be initialized with an object of type T a function of a temporary bound to a reference member in a constructor initializer list.

Structure A is referencerelated to structure B so rb can be bound directly to by expression e and bound directly to e or a base class subobject of e.

A temporary bound to a reference member in a constructor's ctorinitializer 12.6.2 The lifetime of temporary objects bound to references is extended.

A temporary bound to a reference member in a constructor's ctorinitializer 12.6.2 and member then pointed to a string object that no longer existed.

The lifetime of a temporary object may be extended by binding to a const returns a dangling reference. a temporary bound to a reference member in a.

maintenance efficient retrieval and ready reference and guidance for The existing stop signs on north and south bound Glendora are located close to.

If the lifetime of the temporary is extended it will last until the reference goes out of scope. struct A { void foo const; }; A bar; const A& a.

When you have a const reference what's essentially happening is the lifetime of the temporary object is extended as long as the reference exists.

Whenever a reference is bound to a temporary or to a base subobject of a temporary Related link: http://gcc.gnu.org/bugzilla/showbug.cgi?id54293.

temporary]/5 The second context is when a reference is bound to a temporary. is not considered applicable. Clang and GCC have not actually.

In both C and C++ it is not a sane idea to hold a reference or a where the life time of a temporary object can be extended to the life.

I was checking out this article on const reference to temp variable Yes the compiler sometimes will extend the lifetime of a temporary.

If the reference r is being bound directly from a subobject of a temporary then the whole temporary is extended not just the subobject!

Google reference: b/6996555 ISO/IEC 14882:2011E 12.2.5 is the complete object of a subobject to which the reference is bound persists.

Whenever a reference is bound to a temporary or to a base subobject of a temporary :http://gcc.gnu.org/bugzilla/showbug.cgi?id54293

Every object and reference has a lifetime which is a runtime Lifetimes of nonstatic data members and base subobjects begin and end.

The lifetime of a temporary object may be extended by binding to a const lvalue reference or to an rvalue reference since.

My additional question. Does following assignment extend the lifetime of temporary object? X& x getx.ref; // OK. Asked By.

The lifetime of a temporary object may be extended by binding to a const lvalue reference or to an rvalue reference.


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