This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 110b. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.

2023-01-15


1752. Right-recursion in mem-initializer-list

Section: 11.9.3  [class.base.init]     Status: CD4     Submitter: Christof Meerwald     Date: 2013-09-16

[Moved to DR at the November, 2014 meeting.]

The grammar for mem-initializer-list in 11.9.3 [class.base.init] paragraph 1 (after the resolution of issue 1649) is right-recursive:

In general, however, such lists elsewhere in the Standard are described using a left-recursive grammar, e.g., for initializer-list in 9.4 [dcl.init] paragraph 1:

It would be better to be consistent in the definition of mem-initializer-list.

Proposed resolution (February, 2014):

Change the grammar in 11.9.3 [class.base.init] paragraph 1 as follows: