From cppreference.com
template<container-compatible-range<CharT>R>constexprstd::basic_string&append_range(R&&rg);(since C++23)Appends all characters from the range rg.
Equivalent to
returnappend(std::basic_string(std::from_range,std::forward<R>(rg),get_allocator()));Parameters
Return value
*this
Complexity
Linear in size of rg.
Exceptions
If the operation would cause
to exceed
, throws
.
If an exception is thrown for any reason, this function has no effect (
strong exception safety guarantee
).
Notes
macroValueStdFeature
(C++23)member functions that accept
Example
Run this code
#include<cassert>#include<string>intmain(){std::stringhead{"long long"};constautotail={' ','i','n','t'};#ifdef __cpp_lib_containers_rangeshead.append_range(tail);#elsehead.append(tail.begin(),tail.end());#endifassert(head=="long long int");}See also
appends characters to the end
(public member function)