[Python-Dev] ANN: PEP 335: Overloadable Boolean Operators (original) (raw)
Greg Ewing greg at cosc.canterbury.ac.nz
Mon Sep 13 05:05:26 CEST 2004
- Previous message: [Python-Dev] Re: ANN: PEP 335: Overloadable Boolean Operators
- Next message: [Python-Dev] Console vs. GUI applications
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
I like the PEP with 'and' and 'or', but isn't the 'not' special method essentially the inverse of nonzero?
No, because:
(1) nonzero is restricted to returning a boolean result.
(2) There are other contexts besides 'not' in which nonzero gets called.
Greg Ewing, Computer Science Dept, +--------------------------------------+ University of Canterbury, | A citizen of NewZealandCorp, a | Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. | greg at cosc.canterbury.ac.nz +--------------------------------------+
- Previous message: [Python-Dev] Re: ANN: PEP 335: Overloadable Boolean Operators
- Next message: [Python-Dev] Console vs. GUI applications
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]