Original post: http://www.digitalmars.com/pnews/read.php?server=news.digitalmars.com&group=digitalmars.D&artnum=141043 I filed an enhancement into bugzilla: http://d.puremagic.com/issues/show_bug.cgi?id=6365 Experimental patch: https://github.com/9rnsr/dmd/compare/expandTuples...declarationTuple Kenji Hara