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Also document cases with two or three arguments (matching default arguments) this check matches. Closes https://github.com/llvm/llvm-project/issues/129498.
26 lines
1.4 KiB
ReStructuredText
26 lines
1.4 KiB
ReStructuredText
.. title:: clang-tidy - modernize-use-starts-ends-with
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modernize-use-starts-ends-with
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==============================
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Checks for common roundabout ways to express ``starts_with`` and ``ends_with``
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and suggests replacing with the simpler method when it is available. Notably,
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this will work with ``std::string`` and ``std::string_view``.
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Covered scenarios:
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==================================================== =====================
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Expression Replacement
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---------------------------------------------------- ---------------------
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``u.find(v) == 0`` ``u.starts_with(v)``
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``u.find(v, 0) == 0`` ``u.starts_with(v)``
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``u.find(v, 0, v.size()) == 0`` ``u.starts_with(v)``
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``u.rfind(v, 0) != 0`` ``!u.starts_with(v)``
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``u.rfind(v, 0, v.size()) != 0`` ``!u.starts_with(v)``
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``u.compare(0, v.size(), v) == 0`` ``u.starts_with(v)``
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``u.substr(0, v.size()) == v`` ``u.starts_with(v)``
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``v != u.substr(0, v.size())`` ``!u.starts_with(v)``
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``u.compare(u.size() - v.size(), v.size(), v) == 0`` ``u.ends_with(v)``
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``u.rfind(v) == u.size() - v.size()`` ``u.ends_with(v)``
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==================================================== =====================
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