SOURCE

var add = function(x) {
  return function(y) {
    return x + y;
  }
}
var increment = add(1);

console.log(increment(2));

var addTen = add(10);

console.log(addTen(5));

var curry = _.curry;
/*
_.curry(func, [arity=func.length]) 
创建一个函数，该函数接受一个或多个func的参数。当该函数被调用时，如果func所需要的所有参数被提供，则直接返回func所执行的结果。否则继续返回该函数并等待接受剩余的参数。可以传入func.length强调所需要累计的参数个数
*/
// console.log(curry)

var match = curry(function (what, str) {
  return str.match(what);
})

var replace = curry(function(what, replacement, str) {
  return str.replace(what, replacement);
})

var filter = curry(function(f, ary) {
  return ary.filter(f)
})

var map = curry(function (f, ary) {
  return ary.map(f)
})

var hasSpaces = match(/\s+/g);
// hasSpaces = function(str) {
// 	return str.match(/\s+/g)
// }
var findSpaces = filter(hasSpaces);
// findSpaces = function(ary) {
// 	return ary.filter(function(str) {
// 		return str.match(/\s+/g);
// 	})
// }

var noVowels = replace(/[aeiou]/ig);
// noVowels = function(replacement, x) { 
//   return x.replace(/[aeiou]/ig, replacement) 
// }

var censored = noVowels('*');
// censored = function(str) {
//   return str.replace(/[aeiuo]/ig, '*')
// }

var a = match(/\s+/g, "helloworld");
var a1 = hasSpaces("hello world");
console.log(a1);
var a2 = findSpaces(['abc_123', 'go go']);
console.log(a2);

var a3 = censored('chocolate rain');
console.log(a3);