Miscellaneous Cleanups #3178
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Miscellaneous Cleanups #3178
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Make `transform_view::iterator::_Verify_offset` always `noexcept` by avoiding checks when the underlying iterator doesn't support `_Verify_offset`. Make that function and `elements_view::iterator::_Verify_offset` available only when `_IDL != 0` **fixing a bug in `elements_view::iterator`**. Remove the now unused `_NOEXCEPT_IDL0` machinery. Fixes microsoft#1269
... to `if (cond) y(); else x();` Drive-by: Let's `static_assert` only when running the test suite.
* Simplify nested requirement in `HasPeek` * Remove excess empty line
... from `instantiator::call`. Reduces compile + run time by 27%.
strega-nil-ms
approved these changes
Oct 25, 2022
StephanTLavavej
requested changes
Oct 25, 2022
StephanTLavavej
approved these changes
Oct 25, 2022
|
I've pushed a commit to fix the test failures because Additionally, I split it into two static assertions, partially to make things line up nicer, but also to follow our usual guidance to assert X and Y separately instead of |
transform_view iterators are validated only when the underlying iterators are.
StephanTLavavej
approved these changes
Oct 25, 2022
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CaseyCarter
commented
Oct 25, 2022
StephanTLavavej
approved these changes
Oct 25, 2022
|
I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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Thanks for finding and fixing these issues! 🏚️ 🧹 🏡 |
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Mostly things I noticed while reviewing the last import batch at the last minute that were not worth resetting testing for, but does include a couple of "old" changes as well.
Separate commits to ease review:
basic_string::_Move_construct_from_substralready knows the allocator": avoids passing an allocator to this member function which can simply retrieve the stored allocator._Verify_offset(-n)against-INT_MIN" (in<ranges>): we had a couple of places that guarded against overflow negating the argument to_Verify_offset, we should do so consistently._NOEXCEPT_IDL0": Removes this variation innoexceptbetween debug and release builds - it was a terrible idea. Maketransform_view::iterator::_Verify_offsetalwaysnoexceptby avoiding checks when the underlying iterator doesn't support_Verify_offset. Make that function andelements_view::iterator::_Verify_offsetavailable only when_IDL != 0fixing a bug inelements_view::iteratorthat disabled the check. Remove the now unused_NOEXCEPT_IDL0machinery. Fixes <ranges>: Questionable conditional noexcept #1269.<execution>": Fixes <execution>: Consider separating type and data member declarations #330.<system_error>: Correctif (!cond) x(); else y()": ... toif (cond) y(); else x();. Drive-by: Let'sstatic_assertonly when running the test suite.tests/P2278R4_basic_const_iteratornitpicks":HasPeektests/P2322R6_ranges_alg_fold: factor out non-dependent tests": ... from the dependent test cases ininstantiator::call. Reduces compile + run time by 27%.