equality operators on types

[Walter Bright]

On 6/16/2012 4:37 AM, Timon Gehr wrote:
> 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.
>
> What kind of problems? All types fit into the expression grammar well enough.
> (pointer types should require parentheses in order to simplify parsing)

Perhaps it is possible if () are required, but one would have to carefully go 
through all the cases.