26 Mar
2017
26 Mar
'17
11:56 a.m.
On 03/26/2017 12:05 AM, Christopher Pisz via Boost-users wrote:
What would be so wrong with category being an actual number to compare against?
The challenge is to select a number for a category that is globally unique across translation units. The error equality operators use the address of a singleton as this unique number.