replaces template-alias by derived class

4 jobs for issue/dofvector_template_argument_deduction in 18 minutes and 45 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #6416
debian:10 clang-6-libcpp-17

00:18:45

passed #6415
debian:10 gcc-8-17

00:12:01

passed #6417
debian:9 gcc-6-14

00:10:42

passed #6418
ubuntu:18.04 clang-6-17

00:17:23