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aaronpowell/in.sjs

Created May 6, 2014 05:44
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sweet.js in operator to handle arrays
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in.sjs
operator (in) 10 left { $l, $r} => #{ Array.isArray($r) ? !~$r.indexOf($l) : !!$r[$l] }
var x = 7 in [1,2,3,4];
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