22 General utilities library [utilities]

22.10 Function objects [function.objects]

22.10.17 Polymorphic function wrappers [func.wrap]

22.10.17.4 Move-only wrapper [func.wrap.move]

22.10.17.4.5 Utility [func.wrap.move.util]

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void swap(move_only_function& other) noexcept;
1
#
Effects: Exchanges the target objects of *this and other.
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friend void swap(move_only_function& f1, move_only_function& f2) noexcept;
2
#
Effects: Equivalent to f1.swap(f2).
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friend bool operator=(const move_only_function& f, nullptr_t) noexcept;
3
#
Returns: true if f has no target object, otherwise false.

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