On 10/26/2013 8:42 AM, Andrei Alexandrescu wrote:
While messing with std.allocator I explored the type below. I ended up not using it, but was surprised that implementing it was quite nontrivial. Should we add it to stdlib?Theory: http://en.wikipedia.org/wiki/Three-state_logic
When I worked on the ABEL programming language, which was for designing programmable logic devices, we found it useful to have an additional state, "don't care".
