in include/unifex/bind_back.hpp [113:123]
friend decltype(auto) operator|(Other&& other, Self&& self)
noexcept(noexcept(
_result<_compose::_fn, remove_cvref_t<Other>, type>{
{}, // _result_base
{}, // _compose::_fn
{(Other&&) other, (Self&&) self}})) {
return _result<_compose::_fn, remove_cvref_t<Other>, type>{
{}, // _result_base
{}, // _compose::_fn
{(Other&&) other, (Self&&) self}};
}