CWG Issue 2811 (original) (raw)

This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 117a. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.

2025-04-13

2811. Clarify "use" of main

Section: 6.9.3.1 [basic.start.main]Status: DRWPSubmitter: Jan SchultkeDate: 2023-10-12

[Accepted as a DR at the March, 2024 meeting.]

Subclause 6.9.3.1 [basic.start.main] paragraph 3 specifies:

The function main shall not be used within a program. ...

It is unclear what "use" means. N3214 excluded this appearance from the clarifications of "use" that were turned into "odr-use". For example, it is unclear whether decltype(main) is allowed or not.

CWG 2023-12-01

CWG favored to ban any mention of main.

Proposed resolution (approved by CWG 2023-12-15):

Change in 6.9.3.1 [basic.start.main] paragraph 3 as follows:

The function main shall not be used within a program named by an expression. ...