[Python-Dev] I think my set module is ready for prime time; comments?

[Greg Ewing]

Tim Peters <tim.one@home.com>:

> Requiring a total ordering can get in the way more than requiring
> hashability

Often it's useful to have *some* total ordering, and
you don't really care what it is as long as its consistent.

Maybe all types should be required to support cmp(x,y) even 
if doing x < y via the rich comparison route raises a
NotOrderable exception.

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg@cosc.canterbury.ac.nz	   +--------------------------------------+