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Re: reduce metaoperator on an empty list

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Dave Whipp
May 31, 2005 18:16
Re: reduce metaoperator on an empty list
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Damian Conway wrote:
> And what you'd need to write would be:
>     $sum  = (try{ [+] @values } err 0);

The "err ..." idiom seems too useful to have it break in this case. 
Afterall, the purpose of "err 0" is to tell the stupid computer that I 
know what to do with the empty-array scenario.

Feels like fine grained control over fatalness is needed (and not just 
per-function). For example "use fatal :void_context_only" would be nice, 
but wouldn't help in this case. This needs "use fatal :void_or_assign".

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