SOURCE

function curry(fn,...args){
    let len = fn.length;//函数参数长度
    return len<=args.length ? 
    fn(...args) 
    : (...newArgs)=>curry(fn,...args,...newArgs);
}
function mycurry(fn,...args){
    let len = fn.length;//函数参数长度
    var args = args||[]
    return function(){
        let newargs = [].slice.apply(Array.from(arguments));
        args.push(...newargs);
        if(args.length>=len){
            return fn(...args)
        }
        else{
            return mycurry(fn,...args);
        }
    }
    
}

function createCurry(func, args) {
  var argity = func.length;
  var args = args || [];
  
  return function () {
    var _args = [].slice.apply(arguments);
    args.push(..._args);
    
    if (args.length < argity) {
      return createCurry.call(this, func, args);
    }
    
    return func.apply(this, args);
  }
}

function prinargu(a,b,c,d){
    console.log(a,b,c,d)
}

let tmp = mycurry(prinargu);
tmp(1,2)
tmp(4)
tmp(5)
// tmp(2)
// let zjcu = createCurry(prinargu)
// zjcu(1)(2)(3)
// zjcu(1)
// zjcu(2)