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[Motions 2025 06 lwg 1] P3742R0 C++ Standard Library Issues #8014

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[Motions 2025 06 lwg 1] P3742R0 C++ Standard Library Issues #8014

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@burblebee burblebee commented Jun 25, 2025 •
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Fixes #7938

burblebee added 24 commits June 24, 2025 22:49
@burblebee
LWG4198 schedule_from isn't starting the schedule sender if decay-cop…
9bda6fb 
…ying results throws
@burblebee
LWG4202 enable-sender should be a variable template
ca8c1f5
@burblebee
LWG4203 Constraints on get-state functions are incorrect
b6d773d
@burblebee
LWG4204 specification of as-sndr2(Sig) in [exec.let] is incomplete
9002782
@burblebee
LWG4205 let_[*].transform_env is specified in terms of the let_* send…
0450df0 
…er itself instead of its child

[exec.let] Added : before codeblock for consistency.
@burblebee
LWG4208 Wording needs to ensure that in connect(sndr, rcvr) that rcvr…
9e7d5b5 
… expression is only evaluated once
@burblebee
LWG4209 default_domain::transform_env should be returning FWD-ENV(env)
3b4b53e
@burblebee
LWG4188 ostream::sentry destructor should handle exceptions
4fb7ce6
@burblebee
LWG4200 The operation_state concept can be simplified
978696a
@burblebee
LWG4201 with-await-transform::await_transform should not use a deduce…
0d0bce1 
…d return type
@burblebee
LWG4217 Clarify mdspan layout mapping requirements for rank == 0
d4ae4b0
@burblebee
LWG4222 expected constructor from a single value missing a constraint
4087822 
[expected.object.cons]p23.2 Fly-by fix expression (">" in wrong place).
@burblebee
LWG4224 Philox engines should be freestanding
6cb65d4
@burblebee
LWG4227 Missing noexcept operator in [exec.when.all]
527b455
@burblebee
LWG4231 datapar::chunk<N> should use simd-size-type instead of size_t
fbc37ec
@burblebee
LWG4232 datapar::resize does not resize
0b83496
@burblebee
LWG4233 The helper lambda of std::erase for hive should specify retur…
c1285b7 
…n type as bool
@burblebee
LWG4234 Including <hive> doesn't provide std::begin/end
be45d8a
@burblebee
LWG4235 cache_latest_view and to_input_view miss reserve_hint
de326ef
@burblebee
LWG4236 chunk_view::outer-iterator::value_type should provide reserve…
543742d 
…_hint
@burblebee
LWG4239 flat_map's transparent comparator no longer works for string …
6ff27d1 
…literals
@burblebee
LWG4242 ranges::distance does not work with volatile iterators
660bdec
@burblebee
LWG4245 Operators that interact with counted_iterator and default_sen…
b06b819 
…tinel_t should be noexcept
@burblebee
LWG4247 Header <stdbit.h> is not yet freestanding
9d78e1e
@burblebee burblebee marked this pull request as ready for review June 25, 2025 21:59
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[2025-06 LWG Motion 1] P3742R0 C++ Standard Library Issues to be moved in Sofia, Jun. 2025
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@burblebee