[Python-ideas] except expression

[Ron Adam]

On 02/20/2014 11:31 AM, Ron Adam wrote:
>
> I don't think this would be hard to implement in byte code.  The "&"
> operation is just executing the two instructions in sequence.  The "|", is
> a standard exception block.  The "!" is a raise exception after the
> expression.  The rest is just were to put those in relation to each other,
> which is handled by the AST.  Nothing very special or difficult to
> implement.  Getting the syntax right is the only tricky part, and that may
> only be because I don't have much experience doing that.

The '!' may be a bit more than that if it's also suppresses an exception...

         (except exc try ! e1 & e2)     # same as '|' ?

Maybe it's not needed.

Cheers,
    Ron