Sébastien Loriot 76f16d7c38 use std::get_if, get()->value() and remove CGAL::Object usage in Envelope ... changes in arrangement based packages		2023-06-20 18:32:13 +02:00
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Envelope_3	use std::get_if, get()->value() and remove CGAL::Object usage in Envelope	2023-06-20 18:32:13 +02:00