begin_vertices     89 data/sphere/level_set_test.cpp   const std::string begin_vertices = "VERTEX";
begin_vertices     90 data/sphere/level_set_test.cpp   auto first_it = std::find(std::cbegin(lines), std::cend(lines), begin_vertices);
begin_vertices     93 data/sphere/level_set_test.cpp     {"Could not find " + begin_vertices + " in file \"" + filename + "\"."};