handy.h: Add debugging assertion
authorKarl Williamson <public@khwilliamson.com>
Wed, 1 Jan 2014 05:19:45 +0000 (22:19 -0700)
committerKarl Williamson <public@khwilliamson.com>
Wed, 1 Jan 2014 20:49:24 +0000 (13:49 -0700)
commit902008b8891cbab762cbca65291391e811857949
tree949ca4678d0a040353d512274887b35310bacf9f
parent0f092d081073e047f09aa9ef4f1d62bf5db65747
handy.h: Add debugging assertion

This macro requires the input to be a hex digit, without testing.  It is
prudent to assert that under DEBUGGING.
handy.h