Issue |
Status |
Section |
Title |
Proposed Resolution |
Priority |
Duplicates |
2506 |
New |
1.10 [intro.multithread] |
Underspecification of atomics |
No |
3 |
|
2392 |
New |
17.3.15 [defns.ntcts] |
"character type" is used but not defined |
No |
3 |
|
2292 |
New |
17.4.1.4 [structure.specifications] |
Find a better phrasing for "shall not participate in overload resolution" |
No |
3 |
|
2818 |
New |
17.5.1.1 [contents] |
"::std::" everywhere rule needs tweaking |
No |
|
|
2461 |
New |
17.5.3.5 [allocator.requirements] |
Interaction between allocators and container exception safety guarantees |
No |
3 |
|
2795 |
New |
17.5.5.4 [global.functions] |
§[global.functions] provides incorrect example of ADL use |
Yes |
|
|
2563 |
New |
17.5.5.5 [member.functions] |
LWG 2259 relaxes requirements, perhaps unintentionally |
No |
2 |
|
2695 |
New |
17.5.5.5 [member.functions] |
"As if" unclear in [member.functions] |
No |
3 |
|
2248 |
New |
18.3.2 [limits] |
numeric_limits::is_iec559 misnamed |
No |
4 |
|
2820 |
New |
18.4 [cstdint] |
Clarify <cstdint> macros |
No |
|
|
2764 |
New |
18.4.1 [cstdint.syn] |
Are <cstddint> macros optional? |
No |
3 |
|
2815 |
New |
18.5 [support.start.term] |
quick_exit can deadlock |
Yes |
|
|
2737 |
New |
18.6.2.1 [new.delete.single] |
Consider relaxing object size restrictions for single-object allocation functions |
No |
3 |
|
2303 |
New |
18.6.2.3 [new.delete.placement] |
Explicit instantiation of std::vector<UserType> broken? |
No |
3 |
|
2508 |
New |
18.6.2.4 [new.delete.dataraces] |
§[new.delete.dataraces] wording needs to be updated |
No |
3 |
|
2821 |
New |
18.6.4 [ptr.launder] |
std::launder() should be marked as [[nodiscard]] |
No |
|
|
2453 |
New |
18.9 [support.initlist] |
§[iterator.range] and now [iterator.container] aren't available via <initializer_list> |
No |
3 |
|
2493 |
New |
18.9 [support.initlist] |
initializer_list supports incomplete classes |
No |
4 |
|
2413 |
New |
19.3 [assertions] |
assert macro is overconstrained |
No |
4 |
|
2800 |
New |
20.2.2 [utility.swap] |
constexpr swap |
No |
|
|
2599 |
New |
20.2.6 [declval] |
Library incomplete type permission phrase is unclear |
No |
3 |
|
2766 |
New |
20.4.3 [pairs.spec] |
Swapping non-swappable types |
Yes |
3 |
|
2796 |
New |
20.5.1 [tuple.general] |
tuple should be a literal type |
Yes |
|
|
2528 |
New |
20.5.2.1 [tuple.cnstr] |
Order of std::tuple construction unspecified |
No |
3 |
|
2472 |
New |
20.5.2.8 [tuple.rel] |
Heterogeneous comparisons in the standard library can result in ambiguities |
No |
3 |
|
2746 |
New |
20.6.3 [optional.optional] |
Inconsistency between requirements for emplace between optional and variant |
No |
3 |
|
2825 |
New |
20.6.3 [optional.optional] |
LWG 2756 breaks class template argument deduction for optional |
No |
|
|
2805 |
New |
20.7 [variant] |
void and reference type alternatives in variant, variant<> and
index() |
No |
|
|
2809 |
New |
20.7.11 [variant.hash] |
variant hash requirements |
No |
|
|
2789 |
New |
20.8.3 [any.class] |
Equivalence of contained objects |
Yes |
|
|
2421 |
New |
20.10.5 [ptr.align] |
Non-specification of handling zero size in std::align [ptr.align] |
No |
3 |
|
2801 |
New |
20.11.1.2.1 [unique.ptr.single.ctor] |
Default-constructibility of unique_ptr |
No |
|
|
2810 |
New |
20.11.2.2 [util.smartptr.shared] |
use_count and unique in shared_ptr |
No |
|
|
2594 |
New |
20.11.2.2 [util.smartptr.shared] |
Contradicting definition of empty shared_ptr on shared_ptr(nullptr, d) |
Yes |
3 |
|
2802 |
New |
20.11.2.2.1 [util.smartptr.shared.const] |
shared_ptr constructor requirements for a deleter |
No |
|
|
2751 |
New |
20.11.2.2.2 [util.smartptr.shared.dest] |
shared_ptr deleter not specified to observe expired weak_ptr instances |
No |
4 |
|
2776 |
New |
20.11.2.2.5 [util.smartptr.shared.obs] |
shared_ptr unique() and use_count() |
No |
2 |
|
2511 |
New |
20.13.4 [allocator.adaptor.members] |
scoped_allocator_adaptor piecewise construction does not require CopyConstructible |
No |
3 |
|
2807 |
New |
20.14.3 [func.invoke] |
std::invoke should use std::is_nothrow_callable |
No |
|
|
2491 |
New |
20.14.6 [comparisons] |
std::less<T*> in constant expression |
No |
3 |
|
2547 |
New |
20.14.6 [comparisons] |
Container requirements (and other library text) should say "strict total order", not just "total order" |
No |
3 |
|
2813 |
New |
20.14.12.2.1 [func.wrap.func.con] |
std::function should not return dangling references |
No |
|
|
2774 |
New |
20.14.12.2.1 [func.wrap.func.con] |
std::function construction vs assignment |
No |
3 |
|
2803 |
New |
20.14.14 [unord.hash] |
hash for arithmetic, pointer and standard library types should not throw |
No |
|
|
2797 |
New |
20.15.2 [meta.type.synop] |
Trait precondition violations |
Yes |
|
|
2496 |
New |
20.15.4.3 [meta.unary.prop] |
Certain hard-to-avoid errors not in the immediate context are not allowed to be triggered by
the evaluation of type traits |
No |
3 |
|
2592 |
New |
20.17.2 [time.syn] |
Require that chrono::duration_casts from smaller durations to larger durations do not overflow |
Yes |
4 |
|
2513 |
New |
21.1 [strings.general] |
Missing requirements for basic_string::value_type |
No |
4 |
|
2318 |
New |
21.3.1 [basic.string] |
basic_string's wording has confusing relics from the copy-on-write era |
No |
4 |
|
2822 |
New |
21.3.1.2 [string.cons] |
Resolution for LWG 2742 introduces ambiguities |
Yes |
|
|
2788 |
New |
21.3.1.6.2 [string.append] |
basic_string range mutators unintentionally require a default constructible allocator |
Yes |
2 |
|
2237 |
New |
21.5 [c.strings] |
<cuchar> macros |
No |
4 |
|
2295 |
New |
22.3.1.2 [locale.cons] |
Locale name when the provided Facet is a nullptr |
No |
3 |
|
2478 |
New |
22.3.3.2.2 [conversions.string] |
Unclear how wstring_convert uses cvtstate |
No |
4 |
|
2481 |
New |
22.3.3.2.2 [conversions.string] |
wstring_convert should be more precise regarding "byte-error string" etc. |
No |
4 |
|
2479 |
New |
22.3.3.2.3 [conversions.buffer] |
Unclear how wbuffer_convert uses cvtstate |
No |
4 |
|
2480 |
New |
22.3.3.2.3 [conversions.buffer] |
Error handling of wbuffer_convert unclear |
No |
4 |
|
2702 |
New |
22.4.2.2.2 [facet.num.put.virtuals] |
num_put::do_put(..., bool) performs ill-formed do_put call |
No |
3 |
|
2703 |
New |
22.4.2.2.2 [facet.num.put.virtuals] |
No provision for fill-padding when boolalpha is set |
No |
3 |
|
2691 |
New |
22.4.6.3 [locale.moneypunct] |
money_base::space and do_put: U+0020 versus fill |
Yes |
3 |
|
2507 |
New |
22.5 [locale.stdcvt] |
codecvt_mode should be a bitmask type |
No |
3 |
|
2269 |
New |
23.2.1 [container.requirements.general] |
Container iterators and argument-dependent lookup |
No |
4 |
|
2705 |
New |
23.2.3 [sequence.reqmts] |
Questionable precondition on Sequence containers a.assign(n, t) |
Yes |
3 |
|
2743 |
New |
23.2.4.1 [container.node.overview] |
p0083r3 node_handle private members missing "exposition only" comment |
No |
3 |
|
2362 |
New |
23.2.6 [associative.reqmts] |
unique, associative emplace() should not move/copy the mapped_type constructor
arguments when no insertion happens |
No |
3 |
|
2772 |
New |
23.2.6 [associative.reqmts] |
Inconsistency in the insert(node) interface |
No |
2 |
|
2335 |
New |
23.3.7 [array] |
array<array<int, 3>, 4> should be layout-compatible with int[4][3] |
No |
3 |
|
2823 |
New |
23.3.7.1 [array.overview] |
std::array initialization is still not permissive enough |
Yes |
|
|
2824 |
New |
23.3.10.5 [list.ops] |
list::sort should say that the order of elements is unspecified if an exception is thrown |
Yes |
|
|
2256 |
New |
23.3.11.5 [vector.modifiers] |
On vector iterator invalidation |
No |
3 |
|
2449 |
New |
23.3.11.5 [vector.modifiers] |
vector::insert invalidates end()? |
No |
3 |
|
2713 |
New |
23.5 [unord] |
More missing allocator-extended constructors for unordered containers |
Yes |
3 |
|
2783 |
New |
23.6.4.1 [queue.defn] |
stack::emplace() and queue::emplace() should return decltype(auto) |
Yes |
2 |
|
2375 |
New |
24.2.1 [iterator.requirements.general] |
Is [iterator.requirements.general]/9 too broadly applied? |
No |
3 |
|
2595 |
New |
24.5.1.1 [reverse.iterator] |
reverse_iterator::operator[]'s return type revisited |
Yes |
3 |
|
2793 |
New |
24.6.1.1 [istream.iterator.cons] |
Awkward conflation of trivial special members of istream_iterator |
Yes |
|
|
2804 |
New |
24.6.1.1 [istream.iterator.cons] |
Unconditional constexpr default constructor for istream_iterator |
No |
|
|
2790 |
New |
24.6.3 [istreambuf.iterator] |
Missing specification of istreambuf_iterator::operator-> |
Yes |
|
|
2366 |
New |
24.6.3 [istreambuf.iterator] |
istreambuf_iterator end-of-stream equality |
No |
3 |
|
2812 |
New |
24.7 [iterator.range] |
Range access is available with <string_view> |
Yes |
|
|
2457 |
New |
24.7 [iterator.range] |
std::begin() and std::end() do not support multi-dimensional arrays correctly |
No |
3 |
|
2173 |
New |
25 [algorithms] |
The meaning of operator + in the description of the algorithms |
Yes |
4 |
|
2741 |
New |
25.4.14 [alg.partitions] |
is_partitioned requirements need updating |
Yes |
3 |
|
2267 |
New |
25.5.1.4 [partial.sort.copy] |
partial_sort_copy underspecified for ranges of two different types |
No |
3 |
|
2693 |
New |
26.5 [complex.numbers] |
constexpr for various std::complex arithmetic and value operators |
No |
3 |
|
2714 |
New |
26.5.6 [complex.ops] |
complex stream extraction underspecified |
Yes |
3 |
|
2154 |
New |
26.6.1.3 [rand.req.urng] |
What exactly does compile-time complexity imply? |
No |
4 |
|
2352 |
New |
26.6.7.1 [rand.util.seedseq] |
Is a default-constructed std::seed_seq intended to produce a predictable .generate()? |
No |
2 |
|
2423 |
New |
26.7.5 [template.slice.array] |
Missing specification slice_array, gslice_array, mask_array, indirect_array copy constructor |
Yes |
4 |
|
2675 |
New |
27.5.3.6 [ios.base.callback] |
register_callback can fail |
No |
3 |
|
2808 |
New |
27.5.4.2 [fpos.operations] |
Requirements for fpos and stateT |
No |
|
|
2504 |
New |
27.6.3 [streambuf] |
basic_streambuf is not an abstract class |
No |
3 |
|
2243 |
New |
27.7.2.3 [istream.unformatted] |
istream::putback problem |
No |
3 |
|
2498 |
New |
27.7.2.5 [istream.rvalue] |
operator>>(basic_istream&&, T&&) returns basic_istream&, but should probably return
basic_istream&& |
No |
3 |
|
2342 |
New |
27.7.3.1 [ostream] |
User conversion to wchar_t const* or to wchar_t not invoked for operator<< |
Yes |
4 |
|
2497 |
New |
27.7.3.1.3 [ostream::sentry] |
Use of uncaught_exception() |
No |
3 |
|
2286 |
New |
27.8.2.4 [stringbuf.virtuals] |
stringbuf::underflow() underspecified |
Yes |
4 |
|
2121 |
New |
27.8.5.1 [stringstream.cons] |
app for string streams |
No |
3 |
|
2734 |
New |
27.10.8.4.4 [path.concat] |
Questionable specification in [path.concat] |
Yes |
2 |
|
2816 |
New |
27.10.15.33 [fs.op.resize_file] |
resize_file has impossible postcondition |
No |
|
|
2490 |
New |
28 [re] |
<regex> needs lots of noexcept |
No |
3 |
|
2431 |
New |
28.3 [re.req] |
Missing regular expression traits requirements |
No |
3 |
|
2183 |
New |
28.10.1 [re.results.const] |
Muddled allocator requirements for match_results constructors |
No |
3 |
|
2184 |
New |
28.10.1 [re.results.const] |
Muddled allocator requirements for match_results assignments |
No |
3 |
|
2191 |
New |
28.10.1 [re.results.const] |
Incorrect specification of match_results(match_results&&) |
No |
4 |
|
2216 |
New |
28.11.4 [re.alg.replace] |
regex_replace(basic_string) allocator handling |
No |
3 |
|
2220 |
New |
28.12.2.2 [re.tokiter.comp] |
Under-specification of operator== for regex_token_iterator |
No |
2 |
|
2546 |
New |
28.13 [re.grammar] |
Implementability of locale-sensitive UnicodeEscapeSequence matching |
No |
4 |
|
2715 |
New |
29.5 [atomics.types.generic] |
What is 'aggregate initialization syntax'? |
Yes |
3 |
|
2819 |
New |
30.2.5 [thread.req.lockable] |
Unspecified Return type: elements |
No |
|
|
2731 |
New |
30.4.2.1 [thread.lock.guard] |
Existence of lock_guard<MutexTypes...>::mutex_type typedef unclear |
Yes |
3 |
|
2799 |
New |
30.6.7 [futures.shared_future] |
noexcept-specifications in shared_future |
Yes |
|
|
2806 |
New |
99 [optional.bad_optional.access] |
Base class of bad_optional_access |
No |
|
|
2811 |
New |
99 [optional.object.ctor] |
"Selected constructor" wording is incorrect for optional/variant/any |
No |
|
|
2561 |
New |
99 [fund.ts.v2::optional.object.swap] |
[fund.ts.v2] Incorrect exception specifications for 'swap' in C++ Extensions for Library Fundamentals |
No |
3 |
|
2564 |
New |
99 [fund.ts.v2::func.wrap.func] |
[fund.ts.v2] std::experimental::function constructors taking allocator arguments may throw exceptions |
Yes |
3 |
|
2792 |
New |
99 [fund.ts.v2::numeric.ops.gcd] |
[fund.ts.v2] gcd and lcm should support a wider range of input values |
Yes |
|
|
2814 |
New |
99 [fund.ts.v2::func.wrap.func.con] |
[fund.ts.v2] to_array should take rvalue reference as well |
Yes |
|
|
2541 |
New |
99 [parallel.ts::parallel.alg.overloads] |
[parallel.ts] Headers for ExecutionPolicy algorithm overloads |
No |
1 |
|
Issue |
Status |
Section |
Title |
Proposed Resolution |
Priority |
Duplicates |
2136 |
Open |
17.4.1 [structure] |
Postconditions vs. exceptions |
No |
3 |
|
2146 |
Open |
17.5.3.1 [utility.arg.requirements] |
Are reference types Copy/Move-Constructible/Assignable or Destructible? |
No |
2 |
|
2114 |
Open |
17.5.3.3 [nullablepointer.requirements] |
Incorrect "contextually convertible to bool" requirements |
Yes |
3 |
|
2139 |
Open |
17.5.4.2.1 [namespace.std] |
What is a user-defined type? |
Yes |
4 |
|
2414 |
Open |
17.5.5.8 [reentrancy] |
Member function reentrancy should be implementation-defined |
Yes |
3 |
|
2730 |
Open |
18.3.2.1 [limits.numeric] |
numeric_limits primary template definition |
No |
3 |
|
2368 |
Open |
18.6.2 [new.delete] |
Replacing global operator new |
No |
2 |
|
2398 |
Open |
18.7.2 [type.info] |
type_info's destructor shouldn't be required to be virtual |
Yes |
3 |
|
2088 |
Open |
18.8.4 [exception.terminate] |
std::terminate problem |
No |
3 |
|
2155 |
Open |
18.10 [support.runtime] |
Macro __bool_true_false_are_defined should be removed |
Yes |
4 |
|
2289 |
Open |
20.4.2 [pairs.pair] |
constexpr guarantees of defaulted functions still insufficient |
Yes |
3 |
|
2754 |
Open |
20.8.3.1 [any.cons] |
The in_place constructors and emplace functions added by P0032R3 don't require CopyConstructible |
Yes |
1 |
|
2768 |
Open |
20.8.4 [any.nonmembers] |
any_cast and move semantics |
Yes |
0 |
|
2769 |
Open |
20.8.4 [any.nonmembers] |
Redundant const in the return type of any_cast(const any&) |
Yes |
0 |
|
2348 |
Open |
20.9 [template.bitset] |
charT('1') is not the wide equivalent of '1' |
Yes |
3 |
|
2262 |
Open |
20.11.1.2 [unique.ptr.single] |
Requirement for unique_ptr<T>::get_deleter()(p) to be able to destroy the unique_ptr |
Yes |
3 |
|
2070 |
Open |
20.11.2.2.6 [util.smartptr.shared.create] |
allocate_shared should use allocator_traits<A>::construct |
Yes |
2 |
|
2290 |
Open |
20.15 [meta] |
Top-level "SFINAE"-based constraints should get a separate definition in Clause 17 |
Yes |
3 |
|
2077 |
Open |
20.15.4.3 [meta.unary.prop] |
Further incomplete constraints for type traits |
No |
3 |
|
2116 |
Open |
20.15.4.3 [meta.unary.prop] |
std::swap noexcept(what?) |
No |
3 |
|
2358 |
Open |
20.15.4.3 [meta.unary.prop] |
Apparently-bogus definition of is_empty type trait |
Yes |
3 |
|
2569 |
Open |
20.15.8 [meta.logical] |
conjunction and disjunction requirements are too strict |
Yes |
2 |
|
2587 |
Open |
20.15.8 [meta.logical] |
"Convertible to bool" requirement in conjunction and disjunction |
Yes |
3 |
|
2383 |
Open |
20.17.5.8 [time.duration.literals] |
Overflow cannot be ill-formed for chrono::duration integer literals |
No |
3 |
|
2151 |
Open |
21.3.1.1 [string.require] |
basic_string<>::swap semantics ignore allocators |
No |
3 |
|
2238 |
Open |
21.5 [c.strings] |
Problematic iterator-pair constructor of containers |
No |
3 |
|
2381 |
Open |
22.4.2.1.2 [facet.num.get.virtuals] |
Inconsistency in parsing floating point numbers |
Yes |
2 |
|
2117 |
Open |
22.4.2.2.2 [facet.num.put.virtuals] |
ios_base manipulators should have showgrouping/noshowgrouping |
No |
3 |
|
2512 |
Open |
22.4.5.1.2 [locale.time.get.virtuals] |
Y2K bites; what is an "unambiguous year identifier"? |
No |
4 |
|
2307 |
Open |
23 [containers] |
Should the Standard Library use explicit only when necessary? |
No |
2 |
|
2321 |
Open |
23.2.1 [container.requirements.general] |
Moving containers should (usually) be required to preserve iterators |
Yes |
2 |
|
2206 |
Open |
23.2.3 [sequence.reqmts] |
Inaccuracy in initializer_list constructor requirements |
No |
3 |
|
2215 |
Open |
23.2.6 [associative.reqmts] |
(unordered) associative container functors should be CopyConstructible |
Yes |
3 |
|
2227 |
Open |
23.2.6 [associative.reqmts] |
Stateful comparison objects in associative containers |
No |
3 |
|
2198 |
Open |
23.2.7 [unord.req] |
max_load_factor(z) makes no strong guarantees, but bans useful behavior |
Yes |
3 |
|
1175 |
Open |
23.2.7 [unord.req] |
unordered complexity |
Yes |
3 |
|
2189 |
Open |
23.2.7.1 [unord.req.except] |
Throwing swap breaks unordered containers' state |
No |
3 |
|
2157 |
Open |
23.3.7.8 [array.zero] |
How does std::array<T,0> initialization work when T is not default-constructible? |
Yes |
3 |
|
2158 |
Open |
23.3.11.3 [vector.capacity] |
Conditional copy/move in std::vector |
Yes |
2 |
|
2164 |
Open |
23.3.11.5 [vector.modifiers] |
What are the semantics of vector.emplace(vector.begin(), vector.back())? |
No |
2 |
|
1213 |
Open |
24.2 [iterator.requirements] |
Meaning of valid and singular iterator underspecified |
No |
4 |
|
2035 |
Open |
24.2.4 [output.iterators] |
Output iterator requirements are broken |
Yes |
3 |
|
2038 |
Open |
24.2.4 [output.iterators] |
Missing definition for incrementable iterator |
No |
3 |
|
2444 |
Open |
25.5.6.4 [sort.heap] |
Inconsistent complexity for std::sort_heap |
Yes |
3 |
|
2597 |
Open |
26.5.8 [complex.transcendentals] |
std::log misspecified for complex numbers |
Yes |
3 |
|
2524 |
Open |
26.6.8.4.2 [rand.dist.pois.exp] |
generate_canonical can occasionally return 1.0 |
No |
2 |
|
2115 |
Open |
26.7.8 [template.mask.array] |
Undefined behaviour for valarray assignments with mask_array index? |
No |
4 |
|
2214 |
Open |
27.5.5.2 [basic.ios.cons] |
Clarify basic_ios::init call restrictions |
Yes |
4 |
|
2349 |
Open |
27.7.2.2.1 [istream.formatted.reqmts] |
Clarify input/output function rethrow behavior |
Yes |
3 |
|
2798 |
Open |
27.10.8 [class.path] |
Definition of path in terms of a string |
Yes |
|
|
2665 |
Open |
27.10.8.4.5 [path.modifiers] |
remove_filename() post condition is incorrect |
Yes |
1 |
|
2708 |
Open |
27.10.14.1 [rec.dir.itr.members] |
recursive_directory_iterator::recursion_pending() is incorrectly specified |
Yes |
2 |
|
2682 |
Open |
27.10.15.3 [fs.op.copy] |
filesystem::copy() won't create a symlink to a directory |
Yes |
2 |
|
2331 |
Open |
28.5.1 [re.synopt] |
regex_constants::collate's effects are inaccurately summarized |
Yes |
3 |
|
2338 |
Open |
28.7 [re.traits] |
§[re.traits]/7 expects of locale facets something not guaranteed by [locale.facet]/4 |
Yes |
3 |
|
2137 |
Open |
28.8.3 [re.regex.assign] |
Misleadingly constrained post-condition in the presence of exceptions |
Yes |
3 |
|
2195 |
Open |
28.10 [re.results] |
Missing constructors for match_results |
Yes |
3 |
|
2265 |
Open |
29.3 [atomics.order] |
29.3p9 appears to rule out some acceptable executions |
No |
4 |
|
2363 |
Open |
30.4.1.5.1 [thread.sharedtimedmutex.class] |
Defect in 30.4.1.4.1 [thread.sharedtimedmutex.class] |
Yes |
2 |
|
2530 |
Open |
30.6.4 [futures.state] |
Clarify observable side effects of releasing a shared state |
No |
3 |
|
2532 |
Open |
30.6.5 [futures.promise] |
Satisfying a promise at thread exit |
Yes |
3 |
|
2499 |
Open |
99 [istream::extractors] |
operator>>(basic_istream&, CharT*) makes it hard to avoid buffer overflows |
Yes |
2 |
|
Issue |
Status |
Section |
Title |
Proposed Resolution |
Priority |
Duplicates |
877 |
LEWG |
17 [library] |
to throw() or to Throw: Nothing. |
Yes |
|
|
2152 |
LEWG |
17.5.3.2 [swappable.requirements] |
Instances of standard container types are not swappable |
Yes |
2 |
|
2593 |
LEWG |
17.5.3.5 [allocator.requirements] |
Moved-from state of Allocators |
Yes |
4 |
|
1289 |
LEWG |
20.2 [utility] |
Generic casting requirements for smart pointers |
Yes |
|
|
2153 |
LEWG |
20.2.2 [utility.swap] |
Narrowing of the non-member swap contract |
Yes |
2 |
|
2446 |
LEWG |
20.5.1 [tuple.general] |
Unspecialized std::tuple_size should be defined |
Yes |
|
|
2419 |
LEWG |
20.5.2.1 [tuple.cnstr] |
Clang's libc++ extension to std::tuple |
No |
|
|
1201 |
LEWG |
20.5.2.4 [tuple.creation] |
Do we always want to unwrap ref-wrappers in make_tuple |
Yes |
|
|
532 |
LEWG |
20.5.2.8 [tuple.rel] |
Tuple comparison |
Yes |
|
348 |
1112 |
LEWG |
20.9 [template.bitset] |
bitsets and new style for loop |
Yes |
|
|
2762 |
LEWG |
20.11.1.2.4 [unique.ptr.single.observers] |
unique_ptr operator*() should be noexcept |
Yes |
3 |
|
933 |
LEWG |
20.11.1.2.5 [unique.ptr.single.modifiers] |
Unique_ptr defect |
No |
|
|
1031 |
LEWG |
20.11.2.2 [util.smartptr.shared] |
Need shared_ptr conversion to a unique_ptr |
No |
|
|
1406 |
LEWG |
20.11.2.2 [util.smartptr.shared] |
Support hashing smart-pointers based on owner |
Yes |
|
|
2690 |
LEWG |
20.14.3 [func.invoke] |
invoke<R> |
Yes |
|
|
1025 |
LEWG |
20.14.14 [unord.hash] |
The library should provide more specializations for std::hash |
No |
|
|
1317 |
LEWG |
20.14.14 [unord.hash] |
make_hash |
Yes |
|
|
1120 |
LEWG |
20.15 [meta] |
New type trait - remove_all |
No |
|
|
2040 |
LEWG |
20.15 [meta] |
Missing type traits related to is_convertible |
Yes |
|
|
1121 |
LEWG |
20.16.4 [ratio.arithmetic] |
Support for multiple arguments |
Yes |
|
|
935 |
LEWG |
20.17.7 [time.clock] |
clock error handling needs to be specified |
Yes |
|
|
2232 |
LEWG |
21.2.3 [char.traits.specializations] |
[CD] The char_traits specializations should declare their length(), compare(), and
find() members constexpr |
Yes |
|
|
2780 |
LEWG |
21.4 [string.view] |
basic_string_view::copy is missing constexpr |
Yes |
2 |
|
708 |
LEWG |
22 [localization] |
Locales need to be per thread and updated for POSIX changes |
No |
|
|
2226 |
LEWG |
22.3.3.2.2 [conversions.string] |
wstring_convert methods do not take allocator instance |
Yes |
|
|
1242 |
LEWG |
23 [containers] |
Enable SCARY iterators |
Yes |
|
|
1521 |
LEWG |
23.2.1 [container.requirements.general] |
Requirements on internal pointer representations in containers |
Yes |
|
|
2430 |
LEWG |
23.2.6 [associative.reqmts] |
Heterogeneous container lookup should be enabled using meta-function instead of nested type |
No |
|
|
1188 |
LEWG |
23.2.7 [unord.req] |
Unordered containers should have a minimum load factor as well as a maximum |
Yes |
|
|
851 |
LEWG |
23.3.7 [array] |
simplified array construction |
Yes |
|
|
1184 |
LEWG |
23.3.11 [vector] |
Feature request: dynamic bitset |
No |
|
|
1422 |
LEWG |
23.3.12 [vector.bool] |
vector<bool> iterators are not random access |
No |
|
|
484 |
LEWG |
24.2.3 [input.iterators] |
Convertible to T |
No |
|
|
1320 |
LEWG |
24.3 [iterator.synopsis] |
Header for iter_swap |
Yes |
|
|
1052 |
LEWG |
24.5.1.3.5 [reverse.iter.opref] |
reverse_iterator::operator-> should also support smart pointers |
Yes |
|
2775 |
1053 |
LEWG |
25 [algorithms] |
Unify algorithms with operator and function object variants |
No |
|
|
1238 |
LEWG |
25 [algorithms] |
defining algorithms taking iterator for range |
No |
|
|
1282 |
LEWG |
25 [algorithms] |
A proposal to add std::split algorithm |
Yes |
|
|
2242 |
LEWG |
25.4.1 [alg.copy] |
[uninitialized_]copy_n() defect |
No |
2 |
|
2471 |
LEWG |
25.4.1 [alg.copy] |
copy_n's number of InputIterator increments unspecified |
No |
3 |
|
1154 |
LEWG |
26.5 [complex.numbers] |
complex should accept integral types |
Yes |
|
|
1217 |
LEWG |
26.5 [complex.numbers] |
Quaternion support |
No |
|
|
2055 |
LEWG |
26.8 [numeric.ops] |
std::move in std::accumulate and other algorithms |
No |
|
|
423 |
LEWG |
27 [input.output] |
effects of negative streamsize in iostreams |
Yes |
|
|
2600 |
LEWG |
27.5.3.5 [ios.base.storage] |
ios_base must store inaccessible iostate flags |
No |
|
|
255 |
LEWG |
27.6.3 [streambuf] |
Why do basic_streambuf<>::pbump() and gbump() take an int? |
Yes |
|
|
1203 |
LEWG |
27.7.3.5 [ostream.rvalue] |
More useful rvalue stream insertion |
Yes |
|
|
1150 |
LEWG |
27.9.5 [fstream] |
wchar_t, char16_t and char32_t filenames |
No |
|
|
523 |
LEWG |
28 [re] |
regex case-insensitive character ranges are unimplementable as specified |
No |
|
|
1396 |
LEWG |
28.8 [re.regex] |
regex should support allocators |
No |
|
1451 |
1459 |
LEWG |
29.3 [atomics.order] |
Overlapping evaluations are allowed |
No |
|
1458 |
1484 |
LEWG |
30.3.1 [thread.thread.class] |
Need a way to join a thread with a timeout |
No |
|
|
1488 |
LEWG |
30.4 [thread.mutex] |
Improve interoperability between the C++0x and C1x threads APIs |
No |
|
|
936 |
LEWG |
30.4.1 [thread.mutex.requirements] |
Mutex type overspecified |
No |
|
961 |
961 |
LEWG |
30.4.1 [thread.mutex.requirements] |
Various threading bugs #11 |
No |
|
936 |
1493 |
LEWG |
30.4.1 [thread.mutex.requirements] |
Add mutex, recursive_mutex, is_locked function |
No |
|
|
1499 |
LEWG |
30.5 [thread.condition] |
Condition variables preclude wakeup optimization |
No |
|
|
2095 |
LEWG |
30.6.5 [futures.promise] |
promise and packaged_task missing constructors needed for uses-allocator construction |
Yes |
4 |
|
1235 |
LEWG |
99 [rand.concept.dist] |
Issue with C++0x random number proposal |
No |
|
|
2417 |
LEWG |
99 [fund.ts.v2::optional.relops] |
[fund.ts.v2] std::experimental::optional::operator< and LessThanComparable requirement |
No |
|
|
2779 |
LEWG |
99 [networking.ts::buffer.reqmts.mutablebuffersequence] |
[networking.ts] Relax strict aliasing requirement for user-defined buffer sequence iterators |
Yes |
|
|