[Python-Dev] I think my set module is ready for prime time; comments?
Greg Ewing
greg@cosc.canterbury.ac.nz
2001年1月24日 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, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. |
greg@cosc.canterbury.ac.nz +--------------------------------------+