List of issues - WG21 LWG Issues
ID Activity Section Status Title
new
3489 1 week ago [range.istream.iterator] new Improve istream_view wording
3487 3 weeks ago [numeric.ops] new Missing precondition on input and output aliasing of [numeric.ops]
3484 3 weeks ago [depr.c.headers.other] new Should <stddef.h> declare ::nullptr_t?
3479 1 month ago [range.semi.wrap] new semiregular-box mishandles self-assignment
3481 1 month ago [range.refinements] new viewable_range mishandles lvalue move-only views
3090 1 month ago [time.duration.cons] new What is §[time.duration.cons]p4's "no overflow is induced in the conversion" intended to mean?
3480 1 month ago [fs.class.directory.iterator][fs.class.rec.dir.itr] new directory_iterator and recursive_directory_iterator are not C++20 ranges
3478 1 month ago [range.split] new views::split drops trailing empty range
3475 2 months ago [thread.thread.constr][thread.jthread.cons] new std::thread's constructor needs to be able to report general memory allocation failures
3470 2 months ago [range.subrange] new convertible-to-non-slicing seems to reject valid case
3471 2 months ago [mem.res] new polymorphic_allocator::allocate does not satisfy Cpp17Allocator requirements
3288 3 months ago [atomics.wait] new atomic<T>::notify_one is unimplementable
3412 3 months ago [format.string.std] new §[format.string.std] references to "Unicode encoding" unclear
3444 3 months ago [socket.streambuf.members] new [networking.ts] net::basic_socket_streambuf::connect(Args&&...) effects are wrong
3445 3 months ago [socket.iostream.cons][socket.iostream.members] new [networking.ts] net::basic_socket_istream::connect should be constrained
3451 3 months ago [basic.string][range.join.view] new Inconsistently explicit deduction guides
3456 3 months ago [charconv.from.chars] new Pattern used by std::from_chars is underspecified
3463 3 months ago [transform.inclusive.scan] new Incorrect requirements for transform_inclusive_scan without initial value
3459 3 months ago [concept.convertible] new Why doesn't std::convertible_to have semantic requirement when To is reference-to-function type?
3462 3 months ago [formatter.requirements] new §[formatter.requirements]: Formatter requirements forbid use of fc.arg()
3457 3 months ago [string.view.template] new *this is not invalidated
3452 3 months ago [range.view] new Are views really supposed to have strict 𝒪(1) destruction?
2811 4 months ago [optional.ctor][optional.assign][variant.ctor][any.cons][any.modifiers] new "Selected constructor" wording is incorrect for optional/variant/any
3193 4 months ago [structure.specifications] new Mandates: and Expects: elements are not defined for types
2819 5 months ago [thread.req.lockable][thread.mutex.requirements] new Unspecified Return type: elements
3433 5 months ago [range.subrange.access] new subrange::advance(n) has UB when n < 0
2746 5 months ago [optional.assign][variant.mod][any.modifiers] new Inconsistency between requirements for emplace between optional and variant
3436 5 months ago [specialized.construct] new std::construct_at should support arrays
3438 5 months ago [container.node.overview] new §[container.node.overview] missing multiset/map cases
3439 5 months ago [iterator.operations][alg.random.sample] new "Distance" template parameter is underspecified
3028 5 months ago [container.requirements.general] new Container requirements tables should distinguish const and non-const variables
3166 5 months ago [pair.astuple][variant.helper][array.tuple] [pointer.traits.types][allocator.traits.types][allocator.adaptor.types] new No such descriptive element as Value:
3123 5 months ago [time.duration] new duration constructor from representation shouldn't be effectively non-throwing
3192 5 months ago [allocator.uses.construction] new §[allocator.uses.construction] functions misbehave for const types
3204 5 months ago [re.submatch] new sub_match::swap only swaps the base class
3205 5 months ago [meta.trans.other] new decay_t in the new common_type fallback should be remove_cvref_t
2705 6 months ago [sequence.reqmts] new Questionable precondition on Sequence containers a.assign(n, t)
3431 6 months ago [container.requirements.general] new <=> for containers should require three_way_comparable<T> instead of <=>
3429 6 months ago [res.on.requirements] new "models" should subsume like "satisfies"
3418 6 months ago [atomics.nonmembers] new Deprecated free functions in <atomic>
3424 6 months ago [optional.observe] new optional::value_or should never return a cv-qualified type
3423 6 months ago [any.nonmembers] new std::any_cast should never return a cv-qualified type
3422 6 months ago [rand.util.seedseq] new Issues of seed_seq's constructors
2431 6 months ago [re.req] new Missing regular expression traits requirements
3411 6 months ago [memory.resource.syn] new [fund.ts.v3] Contradictory namespace rules in the Library Fundamentals TS
3162 6 months ago [syserr.syserr.members] new system_error::system_error(error_code ec) not explicit
3234 6 months ago [cmath.syn] new Sufficient Additional Special Math Overloads
3240 6 months ago [using.headers] new Headers declare more than entities
3416 6 months ago [any.class] new The Throws: specification of std::any does not mention allocation
3409 6 months ago [atomics.ref.ops] new Too lax description of atomic_ref<T>::required_alignment
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