Logic cleanups for `basic_string`#3862

Merged

StephanTLavavej merged 26 commits intomicrosoft:mainfrom

achabense:_String_logic_cleanups

Aug 11, 2023

Commits on Jul 27, 2023

Make `string(const T*)` and `string(const T*, const Alloc&)` adjacent

achabense
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StephanTLavavej
committed
Add `_NODISCARD` for `_String_val` methods

achabense
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StephanTLavavej
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make `_Activate_SSO_buffer` `_CONSTEXPR20`

achabense
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StephanTLavavej
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Make types of `_BUF_SIZE` and `_ALLOC_MASK` clear

achabense
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StephanTLavavej
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Introduce `_SMALL_STRING_CAPACITY`; replace `_BUF_SIZE - 1` with it

achabense
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StephanTLavavej
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Refine `_Large_string_engaged`; find a missed usecase for it

achabense
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StephanTLavavej
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Introduce `_Entails_large_string`; replace wild `_Large_string_engaged` logic with it

achabense
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StephanTLavavej
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Replace capacity-decision logic with `_Entails_large_string`

achabense
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StephanTLavavej
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Refine documentation of interaction part with `basic_stringbuf`

achabense
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StephanTLavavej
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Try to improve documentation for `_Mysize` and `_Myres`

achabense
authored and
StephanTLavavej
committed

Commits on Jul 28, 2023