Provided by: libstdc++-13-doc_13.3.0-13ubuntu1_all 

NAME
std::ranges::viewable_range - A range which can be safely converted to a view.
SYNOPSIS
#include <ranges>
Concept definition
template<typename _Tp>
concept std::ranges::viewable_range = range<_Tp>
&& ((view<remove_cvref_t<_Tp>> && constructible_from<remove_cvref_t<_Tp>, _Tp>)
|| (!view<remove_cvref_t<_Tp>>
&& (is_lvalue_reference_v<_Tp>
|| (movable<remove_reference_t<_Tp>>
&& !__detail::__is_initializer_list<remove_cvref_t<_Tp>>))))
Detailed Description
A range which can be safely converted to a view.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ std::ranges::viewable_range(3cxx)