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21 lines
620 B
ReStructuredText
21 lines
620 B
ReStructuredText
.. _libcudacxx-standard-api-utility-optional:
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<cuda/std/optional>
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=======================
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See the documentation of the standard header `\<optional\> <https://en.cppreference.com/w/cpp/header/optional>`_
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Extensions
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----------
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- All features are available from C++14 onwards.
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- All features are available at compile time if the value type supports it.
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- An implementation of `P2988 optional\<T&\> <https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p2988r9.pdf>`_ is available by
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defining ``CCCL_ENABLE_OPTIONAL_REF``
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Restrictions
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------------
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- On device no exceptions are thrown in case of a bad access.
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