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std::coroutine_handle<Promise>::operator=

coroutine_handle& operator=( std::nullptr_t ) noexcept;
 (1) (since C++20) 
coroutine_handle& operator=( const coroutine_handle& other ) = default;
 (2) (since C++20) 
coroutine_handle& operator=( coroutine_handle&& other ) = default;
 (3) (since C++20)

Replaces the underlying address.

1) Replaces the underlying address with a null pointer value. After assignment, *this does not refer to a coroutine. This assignment operator is not declared for specialization std::coroutine_handle<std::noop_coroutine_promise>.
2-3) Replaces the underlying address with the one of other. Copy and move assignment operators are equivalent to implicitly declared ones.

Parameters

other - another coroutine_handle to assign from

Return value

*this.

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