let currying= (fn, ...args) =>{
let _args= args || [];
return (...rest)=>{
_args.push(...rest);
if(rest.length === 0){
return fn.apply(this, _args)
}else{
return currying.call(this, fn, ..._args)
}
}
}
const result = currying((...rest) => {
return rest.reduce((a,b) => a+b)
})
result(1,3)(3)()
function add() {
const _args = Array.prototype.slice.call(arguments);
const _adder = function() {
_args.push(...arguments)
return _adder
}
_adder.toString = function () {
return _args.reduce(function (a, b) {
return a + b
})
}
return _adder
}
+add(1)(2)(3)(4)(5)
