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@lazywithclass

lazywithclass/?. in JavaScript

Created February 3, 2014 23:00
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First version of CoffeeScript's ?. in JavaScript thanks to sweet.js
Raw
?. in JavaScript
macro ?. {
rule infix {
$lhs:expr | $rhs:expr
} => {
$lhs && $lhs.$rhs
}
}
// obj?.possiblyNullProperty
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