Proposal: The Conditional Fail and Recover Operators; or: a more generic Existential Operator

Cesar Andreu cesarandreu at
Sat May 31 10:36:07 PDT 2014

At JSConf there was a talk about using macros to experiment with new language features.
The library mentioned is sweet.js ( 

Maybe you could implement it as a macro for developers to play around? 

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