From: Wolfgang Bangerth Date: Mon, 19 Aug 2019 03:04:56 +0000 (-0600) Subject: Merge pull request #8594 from masterleinad/cxx17optional X-Git-Tag: v9.2.0-rc1~1224 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=637edd9461606ab24f67cf55e7ebb16aaf447f04;p=dealii.git Merge pull request #8594 from masterleinad/cxx17optional Replace boost::optional by std_cxx17::optional. --- 637edd9461606ab24f67cf55e7ebb16aaf447f04