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

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

Appends all characters from the range rg.

Equivalent to.

return append(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

Throws std::length_error if the resultant string size would exceed max_size().

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

appends characters to the end
(public member function)

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