const users = [ {name: 'BY', age: 45}, {name: 'SJ', age: 26}, {name: 'ES', age: 27}, {name: 'YJ', age: 49}, {nam
const users = [ {name: 'BY', age: 45}, {name: 'SJ', age: 26}, {name: 'ES', age: 27}, {name: 'YJ', age: 49}, {nam
const users = [ {name: 'BY', age: 45}, {name: 'SJ', age: 26}, {name: 'ES', age: 27}, {name: 'YJ', age: 49}, {nam
/* ES5 function curry(fn) { return function(a) { return function(b) { return fn(a, b) } } }
const curryr = fn => a => b => fn(b, a)
function reduce() { }