subclassing str

[Lawrence D'Oliveiro]

In message <87lj52kwln.fsf.mdw at metalzone.distorted.org.uk>, Mark Wooding 
wrote:

> One option is to implement a subclass which implements the additional
> protocol.

This is why I think object orientation ruins your ability to think properly. 
For “protocol” read “function”. If you want to implement a new function, 
then implement a new function, why do you have to go through this 
“subclassing” malarkey just to do something so simple.