fj-flip Given a function, returns a new function with the first two arguments flipped. Installation npm install fj-flip --save Usage var flip = require('fj-flip'); var mergeThree = (a, b, c) => ([]).concat(a, b, c); mergeThree(1, 2, 3); //=> [1, 2, 3] flip(mergeThree)(1, 2, 3); //=> [2, 1, 3]