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anubhavsrivastava/add(2)(3) via explicit argumentless call

Created February 3, 2019 16:28
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add(2)(3) via explicit argumentless call
function add(x){
let sum = x;
return function resultFn(y){
if(arguments.length){ //not relying on falsy value
sum += y;
return resultFn;
}
return sum;
}
}
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