Implicit conversion to boolean in if and while statements

[Thomas Rachel]

Am 08.02.2013 07:29 schrieb Rick Johnson:

> Consider this:
>
>      if connect("my:db") as db:
>          <do something>
>
> No need to make a call and then test for the validity of the call when you can do both simultaneously AND intuitively.

Would be great, but can be emulated with

def ifiter(x):
     if x: yield x

for db in ifiter(connect("my:db")):
     <do sth with db>

Is not very intuitive, however, but does its job.


Thomas