std: add pattern matching to OsStr - #161763

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Commits on Aug 26, 2026

coretests: Add more pattern tests.
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2da3800
core: convert Pattern<'a> into Pattern<H: Haystack>
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d85dc09
core: move Pattern et al to core::pattern module
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7f1c215
core: introduce internal core::pattern::{Split,SplitN} types
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b056496
Revert "Add ByteNeedle search in StrSearcherImpl"
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289453f
core: add core::pattern::EmptyNeedleSearcher internal type
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2df5d80
core: add try_next_code_point{,_reverse} internal functions
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18c2426
core: add internal core::str_bytes module handling string-like slices
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7cb9537
coretests: Add a few tests for backward multibyte predicate
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d0aa143
core: add concept of Flavour to core::str_bytes
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fbae6e4
core: add memchr-based single-ascii byte search to str_bytes
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f94d18f
core/std: inline small functions
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2d152c6
core::str_bytes: use unsafe for indexing
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e216176
core: skip emitting rejects if result doesn't cary it
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adf9eb8
std: add pattern matching to OsStr
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48a3367