Re: *which* alternative that matches nothing? (was Re: repetition)

 > Tks for the clarification Steven.
 > <myView> KISS principle, have one option - from the given list ()
 > seems clearest</myView>

I completely agree with the KISS principle, but the use of () doesn't come 
from a design for representing empty, but from generality and consistency. 
There are a number of ways you could explicitly mark empty alternatives, 
but they emerge from generality, not from a use case.

I did once consider allowing empty strings 

   empty: "".

but it didn't add any functionality.

Steven

Received on Friday, 17 December 2021 09:44:12 UTC