NobukazuHanada

fizz = function f(n){
    fizz = function(n){
        fizz = function(n){
            fizz = f;
            return "Fizz";
        };
        return n;
    };
    return n;
};

NobukazuHanada

# 問題: 5, 6, 7, 8, 9, 1, 0, 1, 1, 1, 2, 1, 3, ... 
# という数列のn番目の数字を求める関数を書け

f = (n) -> n + 5

solve = (index)->
  ret = ""
  cnt = 0
  while true
    ret += f(cnt++)

NobukazuHanada

require "./rpn"

describe "rpn" do
  it "" do
    expect(expr(4).("+").(3).("*").(2).("-").(1).("=")).
      to eq(->(){
              comp1 = 3 * 2;
              comp2 = 3 + comp1;
              comp3 = comp2 - 1;
              return comp3 }.call)

NobukazuHanada

(function (global)
{
    
    var expr = function (n)
    {
        var utilities = {
            "+": function (a, b) { return a + b; },
            "-": function (a, b) { return a - b; },
            "*": function (a, b) { return a * b; },
            "/": function (a, b) { return a / b; }

NobukazuHanada

(function (global)
{
    
    var expr = function (n)
    {
        var utilities = {
            "+": function (a) { return function(b){ return a + b; } },
            "-": function (a) { return function(b){ return a - b; } },
            "*": function (a) { return function(b){ return a * b; } },
            "/": function (a) { return function(b){ return a / b; } }

NobukazuHanada

(function ()
{
    function partial(fun)
    {
        var _slice = [].slice,
            args = _slice.call(arguments);
        args.shift();
        return function ()
        {
            return fun.apply(this, args.concat(_slice.call(arguments)));