std::experi...::optional)(3)

💖 NAME 💖

okay bestie, the official name is std::experimental::swap(std::experimental::optional) — and the page literally repeats it right after: std::experimental::swap(std::experimental::optional). yes, we love a name that says itself twice 💅✨

This is the std::experi...::optional)(3) page, living in the C++ Standard Libary manual. (That manual name is literally C++ Standard Libary, no cap.) 🫶

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✨ Synopsis ✨

First up, the header tea:

Defined in header <experimental/optional>
template< class T >
void swap( optional<T>& lhs, optional<T>& rhs )            (library
fundamentals TS)
noexcept(/* see below */);

So this overloads the std::swap algorithm for std::experimental::optional. It exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs). periodt 💖

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🌸 Parameters 🌸

• lhs, rhs — optional objects whose states to swap

like, those are the two cuties whose states are getting swapped, okay? 🦋

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🎀 Return value 🎀

(none)

literally nothing comes back. it's giving "the swap is the point" energy 😌✨

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🔥 Exceptions 🔥

the noexcept specification is exactly this:

noexcept(noexcept(lhs.swap(rhs)))

ngl that double-noexcept is a whole vibe, but that's the spec bestie 💜

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🧚 Example 🧚

This section is incomplete Reason: no example

no example yet 😭 the page is leaving us on read, fr fr 🙈

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💜 See also 💜

• swap exchanges the contents — (public member function)

iykyk, it's the member-function version of the same "exchange the contents" moment 👑

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🌈 Categories 🌈

• Noindexed pages
• conditionally noexcept
• Todo no example

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mwah 💋 that's the whole page! it came from http://cppreference.com, dated 2024.06.10, and the footer title is literally std::experi...::optional)(3) — bye bestie, slay your optional swaps responsibly 🫶🎀💖