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std::basic_string<CharT,Traits,Allocator>::assign_range

template< container-compatible-range<CharT> R >
constexpr std::basic_string& assign_range( R&& rg );
 (since C++23)

Replaces the contents of the string with the values in the range rg.

Equivalent to.

return assign(
    std::basic_string(
        std::from_range,
        std​::​forward<R>(rg),
        get_allocator())
);

Parameters

rg - a container compatible range

Return value

*this.

Complexity

Linear in size of rg.

Exceptions

If the operation would result in size() > max_size(), throws std::length_error.

If an exception is thrown for any reason, this function has no effect (strong exception safety guarantee).

Notes

Feature-test macro Value Std Comment
__cpp_lib_containers_ranges 202202L (C++23) member functions that accept container compatible range

Example

See also

assign characters to a string
(public member function)
assigns values to the string
(public member function)
constructs a basic_string
(public member function)

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