237dde3d03
This implements the wording changes of P2328R0 "join_view should join all views of ranges". libstdc++-v3/ChangeLog: * include/std/ranges (__detail::__non_propating_cache): Define as per P2328. (join_view): Remove constraints on the value and reference types of the wrapped iterator type as per P2328. (join_view::_Iterator::_M_satisfy): Adjust as per P2328. (join_view::_Iterator::operator++): Likewise. (join_view::_M_inner): Use __non_propating_cache as per P2328. Remove now-redundant use of __maybe_present_t. * testsuite/std/ranges/adaptors/join.cc: Include <array>. (test10): New test. |
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