[Python-ideas] Re: We should have an explicit concept of emptiness for collections

On 2021-08-22 17:36, Thomas Grainger wrote:

bool((len(collection) == 0) is True) == True and issubclass(True, bool)

'True' is a reserved word, so you don't need to check it. However, 'bool' might have been overridden, so: __builtins__.bool((len(collection) == 0) is True) == True Come to think of it, 'len' might have been overridden too, so: __builtins__.bool((__builtins__.len(collection) == 0) is True) == True

On Sun, 22 Aug 2021, 17:09 Valentin Berlier, <berlier.v@gmail.com <mailto:berlier.v@gmail.com>> wrote:

> (len(collection) == 0) is True

bool((len(collection) == 0) is True) == True