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1 parent 73a85c4 commit e8f5dddCopy full SHA for e8f5ddd
Doc/whatsnew/3.10.rst
@@ -615,6 +615,11 @@ Optimizations
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bytecode level. It is now around 100% faster to create a function with parameter
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annotations. (Contributed by Yurii Karabas and Inada Naoki in :issue:`42202`)
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+* Substring search functions such as ``str1 in str2`` and ``str2.find(str1)``
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+ now sometimes use Crochemore & Perrin's "Two-Way" string searching
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+ algorithm to avoid quadratic behavior on long strings. (Contributed
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+ by Dennis Sweeney in :issue:`41972`)
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+
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Deprecated
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==========
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