/TypeScript/Two sets of parentheses after function call

Two sets of parentheses after function call

Two sets of parentheses after function call

function add(x){
  return function(y){
    return x + y;
  };
}

var addTwo = add(2);

addTwo(4) === 6; // true
add(3)(4) === 7; // true

0

Source: stackoverflow.com

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