# libc++ Upcoming Meeting Status

This is a temporary page; please check the c++2a status here

This page shows the status of the papers and issues that are expected to be adopted in the next WG21 Meeting.

The groups that have contributed papers:

- LWG - Library working group
- CWG - Core Language Working group
- SG1 - Study group #1 (Concurrency working group)

### Paper Status

Paper # | Group | Paper Name | Meeting | Status
--- | --- | --- | --- | ---

### Library Working group Issues Status

Issue # | Issue Name | Meeting | Status
--- | --- | --- | ---
3231 | `year_month_day_last::day` specification does not cover `!ok()` values | Belfast |
3225 | `zoned_time` converting constructor shall not be `noexcept` | Belfast |
3190 | `std::allocator::allocate` sometimes returns too little storage | Belfast |
3218 | Modifier for `%d` parse flag does not match POSIX and `format` specification | Belfast |
3224 | `zoned_time` constructor from `TimeZonePtr` does not specify initialization of `tp_` | Belfast |
3230 | Format specifier `%y/%Y` is missing locale alternative versions | Belfast |
3232 | Inconsistency in `zoned_time` deduction guides | Belfast |
3222 | P0574R1 introduced preconditions on non-existent parameters | Belfast |
3221 | Result of `year_month` arithmetic with `months` is ambiguous | Belfast |
3235 | `parse` manipulator without abbreviation is not callable | Belfast |
3246 | What are the constraints on the template parameter of `basic_format_arg`? | Belfast |
3253 | `basic_syncbuf::basic_syncbuf()` should not be explicit | Belfast |
3245 | Unnecessary restriction on `'%p'` parse specifier | Belfast |
3244 | Constraints for `Source` in §[fs.path.req] insufficiently constrainty | Belfast |
3241 | `chrono-spec` grammar ambiguity in §[time.format] | Belfast |
3257 | Missing feature testing macro update from P0858 | Belfast |
3256 | Feature testing macro for `constexpr` algorithms | Belfast |
3273 | Specify `weekday_indexed` to range of `[0, 7]` | Belfast |
3070 | `path::lexically_relative` causes surprising results if a filename can also be a root-name | Belfast |
3266 | `to_chars(bool)` should be deleted | Belfast |
3272 | `%I%p` should parse/format `duration` since midnight | Belfast |
3259 | The definition of constexpr iterators should be adjusted | Belfast |
3103 | Errors in taking subview of `span` should be ill-formed where possible | Belfast |
3274 | Missing feature test macro for `<span>` | Belfast |
3276 | Class `split_view::outer_iterator::value_type` should inherit from `view_interface` | Belfast |
3277 | Pre-increment on prvalues is not a requirement of `weakly_incrementable` | Belfast |
3149 | `DefaultConstructible` should require default initialization | Belfast |

### Issues to "Review"

Issue # | Issue Name | Meeting | Status
--- | --- | --- | ---

### Comments about the papers

### Comments about the issues

- 3231 -
- 3225 -
- 3190 -
- 3218 -
- 3224 -
- 3230 -
- 3232 -
- 3222 -
- 3221 -
- 3235 -
- 3246 -
- 3253 -
- 3245 -
- 3244 -
- 3241 -
- 3257 -
- 3256 -
- 3273 -
- 3070 -
- 3266 -
- 3272 -
- 3259 -
- 3103 -
- 3274 -
- 3276 -
- 3277 -
- 3149 -

Last Updated: 22-Oct-2019