||= is much needed?

Axel Rauschmayer axel at rauschma.de
Tue Jun 12 22:59:49 PDT 2012


I think it’d be handy when you are taking apart objects (e.g. JSON data). However, you do have the option of merging in default values (e.g. via http://documentcloud.github.com/underscore/#defaults ).

On Jun 13, 2012, at 7:52 , Brendan Eich wrote:

> People don't default on the caller side (at the callsite) much, in my experience. Dave may be seeing other sources, but it's extremely rare in my experience to see
> 
>  foo(arg1 || callers_idea_of_default_arg1_value);

-- 
Dr. Axel Rauschmayer
axel at rauschma.de

home: rauschma.de
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