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

Greg Ewing greg@cosc.canterbury.ac.nz
Wed, 24 Jan 2001 15:49:21 +1300 (NZDT)

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, +--------------------------------------+
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