List of issues - WG21 LWG Issues
ID Activity Section Status Title
4577 yesterday [view.interface] open Hardening `view_interface::operator[]`
4052 2 days ago [rand.dist.samp.pconst] [rand.dist.samp.plinear] new Bogus requirements for piecewise_linear_distribution
4125 7 days ago [move.iterator][move.iter.cons] ready move_iterator's default constructor should be constrained
4182 7 days ago [support.types.nullptr] ready Definition of `NULL` is too broad
4558 7 days ago [range.drop.view] [range.drop.while.view] lewg drop_view and drop_while_view should be const-iterable for input-only range
4560 7 days ago [time.format] lewg Explicitly specify effects of precision specification in `duration` formatter
4563 7 days ago [round.style] lewg Missing "round to nearest, ties away from zero" mode
4567 7 days ago [version.syn] ready Feature test macro value for `apply_result`, `is_applicable`
4568 7 days ago [exec.spawn.future] ready `std::execution::spawn_future` is mishandling dependent senders
4572 7 days ago [associative.reqmts.general] [map.modifiers] [set.modifiers] lewg Key ordering requirements of associative containers are poorly specified
4579 7 days ago [exec.when.all] ready make-state<Rcvr>::state-type::complete uses `Env` which is not in scope
4586 1 week ago [freestanding.item] [optional.syn] [format.syn] new Partial specialization of `std::format_kind` for `std::optional` is not marked hosted
4121 1 week ago [range.utility.conv.general] ready ranges::to constructs associative containers via c.emplace(c.end(), *it)
4545 1 week ago [mdspan.layout.leftpad.cons][mdspan.layout.rightpad.cons] new Some converting constructors of `layout_left_padded::mapping` and `layout_right_padded::mapping` are missing a representability precondition for the padded stride
4546 1 week ago [iterator.concept.winc] new Integer-class type should be structural type
4547 1 week ago [exec.as.awaitable] new sender-awaitable needs a deduction guide
4551 1 week ago [exec.on] new Fix the customization domain of the `on` algorithm
4559 1 week ago [range.zip.view] [range.zip.transform.view] [range.cartesian.view] new zip_view, zip_transform_view, and cartesian_product_view should provide reserve_hint
4561 1 week ago [range.reverse.view] new reverse_view does not consider simple-view
4562 1 week ago [mdspan.layout.stride.obs] new `layout_stride::is_exhaustive` specification is problematic when there's an extent equal to 1
4564 1 week ago [meta.reflection.queries] new Clarify when `constant_of` throws
4565 1 week ago [range.subrange.general] new subrange should prevent slicing for contiguous iterators
4566 1 week ago [linalg.scaled.scaledaccessor] [linalg.conj.conjugatedaccessor] new The element_type definition of scaled_accessor and conjugated_accessor are not quite right
4569 1 week ago [mdspan.mdspan.overview] new mdspan should Mandates the relationship between element_type and reference
4570 1 week ago [exec.snd.expos] new COMMON-DOMAIN should test for convertibility to `default_domain`
4571 1 week ago [atomics.ref.generic.general] [atomics.types.generic.general] new Disallow specializing `std::atomic` and `std::atomic_ref`
4573 1 week ago [view.interface] new Improve `view_interface::cbegin`
4574 1 week ago [const.wrap.class] [func.wrap.ref] new constant_wrapper<nullptr, int()> bypasses `function_ref` class invariant
4575 1 week ago [new.delete.dataraces] open No formal wording associates single total order of allocation/deallocation operations with the coherence rule
4576 1 week ago [meta.reflection.substitute] new `{can_}substitute` specification is (still) ill-formed
4585 1 week ago [meta.reflection.layout] new Applying `std::meta::alignment_of` to a not-yet-defined variable
4582 1 week ago [linalg.transp.layout.transpose] [mdspan.layout.policy.reqmts] new Specializations of `layout_transpose` do not meet the layout mapping policy requirements
4584 1 week ago [hive.operations] new `std::hive::sort` should add Cpp17MoveConstructible to its preconditions on `T`
4583 1 week ago [bit.byteswap] new `std::byteswap` can make sense for some types with padding bytes
4580 1 week ago [meta.reflection.queries] new `is_enumerable_type`: Definition of "enumerable type" looks strange
4249 2 weeks ago [range.lazy.split.outer] ready The past end issue for `lazy_split_view`
4267 2 weeks ago [tuple.cnstr] ready Uses-allocator construction is meaningless for tuple of references
4385 2 weeks ago [iterator.range] ready Including <simd> doesn't provide `std::begin/end`
4487 2 weeks ago [time.clock.req] ready Is member `is_steady` of a Cpp17Clock type required to be usable in constant expressions?
4515 2 weeks ago [format.string.std] lewg `format`: `a` and `A` should insert the `0x` or `0X` prefix
4530 2 weeks ago [format.formatter.spec] lewg Unclear specification for formatter<charT[N], charT>
4531 2 weeks ago [version.syn] ready Should there be a feature-test macro update for constexpr `std::to_(w)string`?
4578 2 weeks ago [obj.lifetime] core `std::start_lifetime(r)` should not be able to poke objects outside the current evaluation
4158 2 weeks ago [futures.task.members] ready packaged_task::operator= should abandon its shared state
4218 2 weeks ago [const.iterators.ops] ready Constraint recursion in `basic_const_iterator`'s relational operators due to ADL + CWG 2369
4359 2 weeks ago [exec.as.awaitable] ready `as_awaitable(expr, p)` does not define semantics of call if `p` is not an lvalue
4471 2 weeks ago [exec.inline.scheduler] ready Remove test for `get_env noexcept`-ness from `inline_scheduler`
4490 2 weeks ago [algorithms.requirements] ready Allow calling `std::ranges::size` in ranges algorithms
4521 2 weeks ago [atomics.order] ready Improve [atomics.order] p10 to have a consistent way with [intro.races]
4356 2 weeks ago [exec.connect] open `connect()` should use `get_allocator(get_env(rcvr))` to allocate the coroutine-state for a connect-awaitable coroutine
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