Simplify control flow in _Traits_find_MEOW_not_of
#5006
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Except in `_Traits_find_last_of`, which is being changed by GH 4934.
This will simplify the following transformation.
Both sides unconditionally return, allowing us to flip them. (One case is a forever loop where the only ways out are returns.)
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In `_Traits_meow` functions with `if (condition) { woof; } return;` where `woof` is a `for` containing at least two `if`s.
CaseyCarter
approved these changes
Oct 10, 2024
... to avoid merge conflicts with microsoftGH-4934. This partially reverts commit 8d902d9.
CaseyCarter
approved these changes
Oct 10, 2024
These return statements are never reached.
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😻 Looks purr to me! |
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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A merge conflict? Couldn't be me. |
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Remember, I named you Casey "Conflict" Carter via office post-it note almost a decade ago! 🎯 💯 🔮 |
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This simplifies
_Traits_find_first_not_ofand_Traits_find_last_not_of, following the patterns in #4744 and #4934, which will make them easier to understand and easier to add vectorized codepaths. These are lossless transformations that don't affect behavior.breaks with immediatereturns._Traits_find_last_of, which is being changed by Vectorizebasic_string::find_last_of#4934.returninstead of relying on fall-through.!_Matches._Marktests._Special=false" to fall-through._Elem._Hay_start,_Hay_end.bool _Specialinto its usage.