From Jason Turner

[diff.cpp17.except]

C++20 → C++23 1.3 KB 15 lines
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Archived: C++20 | C++23
Markdown: C++20 | C++23
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  **Change:** Remove `throw()` exception specification. **Rationale:**
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  Removal of obsolete feature that has been replaced by `noexcept`.
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  **Effect on original feature:** A valid C++17 function declaration,
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  member function declaration, function pointer declaration, or function
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  reference declaration that uses `throw()` for its exception
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- specification will be rejected as ill-formed in this International
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- Standard. It should simply be replaced with `noexcept` for no change of
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- meaning since C++17.
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  [*Note 1*: There is no way to write a function declaration that is
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- non-throwing in this International Standard and is also non-throwing in
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- C++03 except by using the preprocessor to generate a different token
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- sequence in each case. — *end note*]
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  **Change:** Remove `throw()` exception specification. **Rationale:**
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  Removal of obsolete feature that has been replaced by `noexcept`.
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  **Effect on original feature:** A valid C++17 function declaration,
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  member function declaration, function pointer declaration, or function
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  reference declaration that uses `throw()` for its exception
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+ specification will be rejected as ill-formed in this revision of C++. It
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+ should simply be replaced with `noexcept` for no change of meaning since
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+ C++17.
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  [*Note 1*: There is no way to write a function declaration that is
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+ non-throwing in this revision of C++ and is also non-throwing in C++03
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+ except by using the preprocessor to generate a different token sequence
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+ in each case. — *end note*]
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