On 06/16/2012 02:48 AM, Walter Bright wrote: > On 6/15/2012 5:11 AM, Timon Gehr wrote: >> Why not allow equality operators to operate on types? > > Generally because of parsing problems. By the way, 'is' expressions are not immune to parsing issues: http://d.puremagic.com/issues/show_bug.cgi?id=6589