Steven D'Aprano added the comment:

On Sun, Jan 29, 2017 at 08:23:05AM +0000, Martin Panter wrote:
> Why do you name the methods is_finite() etc with underscores, when the 
> existing methods math.isfinite() etc do not have underscores? Seems it 
> would add unnecessary confusion.

The idea is to enable duck-typing between float and Decimal. Instead of:

if isinstance(x, float):
    math.isfinite(x)
else:
    x.is_finite()

we can just say

x.is_finite() 

on both floats and decimals.

----------

_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue18842>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe: 
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com

Reply via email to