basic_json::operator=

basic_json& operator=(basic_json other) noexcept (
    std::is_nothrow_move_constructible<value_t>::value &&
    std::is_nothrow_move_assignable<value_t>::value &&
    std::is_nothrow_move_constructible<json_value>::value &&
    std::is_nothrow_move_assignable<json_value>::value
);

Copy assignment operator. Copies a JSON value via the “copy and swap” strategy: It is expressed in terms of the copy constructor, destructor, and the swap() member function.

Parameters

other (in) : value to copy from

Complexity

Linear.

Example

??? example

The code below shows and example for the copy assignment. It creates a copy of value `a` which is then swapped with
`b`. Finally, the copy of `a` (which is the null value after the swap) is destroyed.
 
```cpp
--8<-- "examples/basic_json__copyassignment.cpp"
```

Output:

```json
--8<-- "examples/basic_json__copyassignment.output"
```

Version history

  • Added in version 1.0.0.