[diff.cpp03.library] (original) (raw)

Annex C (informative) Compatibility [diff]

C.6 C++ and ISO C++ 2003 [diff.cpp03]

C.6.7 [library]: library introduction [diff.cpp03.library]

Change: New reserved identifiers.

Rationale: Required by new features.

Effect on original feature: Valid C++ 2003 code that uses any identifiers added to the C++ standard library by later revisions of C++ may fail to compile or produce different results in this revision of C++.

A comprehensive list of identifiers used by the C++ standard library can be found in the Index of Library Names in this document.

Affected subclause: [headers]

Change: New headers.

Rationale: New functionality.

Effect on original feature: The following C++ headers are new:,,,,,,<initializer_list> ([initializer.list.syn]),,,,,,,,,<typeindex> ([type.index.synopsis]),,, and.

In addition the following C compatibility headers are new:,,, and.

Valid C++ 2003 code that #includes headers with these names may be invalid in this revision of C++.

Affected subclause: [swappable.requirements]

Change: Function swap moved to a different header.

Rationale: Remove dependency on for swap.

Effect on original feature: Valid C++ 2003 code that has been compiled expecting swap to be in may have to instead include .

Affected subclause: [namespace.posix]

Change: New reserved namespace.

Rationale: New functionality.

Effect on original feature: The global namespace posix is now reserved for standardization.

Valid C++ 2003 code that uses a top-level namespace posix may be invalid in this revision of C++.

Affected subclause: [macro.names]

Change: Additional restrictions on macro names.

Rationale: Avoid hard to diagnose or non-portable constructs.

Effect on original feature: Names of attribute identifiers may not be used as macro names.

Valid C++ 2003 code that defines override, final, ornoreturn as macros is invalid in this revision of C++.