std::deque<T,Allocator>::assign_range

Since C++23

Replaces elements in the container with a copy of each element in rg.

# Declarations

template< container-compatible-range<T> R >
void assign_range( R&& rg );

(since C++23)

# Parameters

# Return value

(none)

# Notes

Feature-test macro Value Std Feature __cpp_lib_containers_ranges 202202L (C++23) Ranges-aware construction and insertion

# Example

#include <algorithm>
#include <cassert>
#include <deque>
#include <list>
 
int main()
{
    const auto source = std::list{2, 7, 1};
    auto destination = std::deque{3, 1, 4};
#ifdef __cpp_lib_containers_ranges
    destination.assign_range(source);
#else
    destination.assign(source.cbegin(), source.cend());
#endif
    assert(std::ranges::equal(source, destination));
}

# See also