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P2374R4 views::cartesian_product #2923

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StephanTLavavej opened this issue Jul 25, 2022 · 1 comment · Fixed by #3561
Closed

P2374R4 views::cartesian_product #2923

StephanTLavavej opened this issue Jul 25, 2022 · 1 comment · Fixed by #3561
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cxx23 C++23 feature fixed Something works now, yay! ranges C++20/23 ranges

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@StephanTLavavej
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StephanTLavavej commented Jul 25, 2022

P2374R4 views::cartesian_product
P2540R1 Empty Product For Certain Views
LWG-3760 cartesian_product_view::iterator's parent_ is never valid
LWG-3761 cartesian_product_view::iterator::operator- should pass by reference
LWG-3801 cartesian_product_view::iterator::distance-from ignores the size of last underlying range
LWG-3820 cartesian_product_view::iterator::prev is not quite right
LWG-3849 cartesian_product_view::iterator's default constructor is overconstrained

Feature-test macro (expected):

#define __cpp_lib_ranges_cartesian_product 202207L
@StephanTLavavej StephanTLavavej added the cxx23 C++23 feature label Jul 25, 2022
@StephanTLavavej StephanTLavavej added this to Available in C++23 Features Jul 25, 2022
@StephanTLavavej StephanTLavavej added the ranges C++20/23 ranges label Jul 25, 2022
@StephanTLavavej StephanTLavavej moved this from Available to Investigating in C++23 Features Mar 3, 2023
@StephanTLavavej
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I saw that @JMazurkiewicz is investigating this (thanks! 😻); marking accordingly to avoid duplicated work.

@StephanTLavavej StephanTLavavej moved this from Investigating to Reviewing PR in C++23 Features Mar 11, 2023
C++23 Features automation moved this from Reviewing PR to Done Mar 30, 2023
@StephanTLavavej StephanTLavavej added the fixed Something works now, yay! label Mar 30, 2023
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Labels
cxx23 C++23 feature fixed Something works now, yay! ranges C++20/23 ranges
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