{
 "metadata": {
  "language": "ruby",
  "name": "",
  "signature": "sha256:5b45676fcdeff11b54d48597aba7017b875fc04acf2245c9ae873e25309f87a9"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "# 3-5-9 \u64ec\u4f3c\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def keywords(hash = {})\n",
      "  hash\n",
      "end"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 1,
       "text": [
        ":keywords"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "keywords(resistance: '\u30ec\u30b8\u30b9\u30bf\u30f3\u30b9', enlightened: '\u30a8\u30f3\u30e9\u30a4\u30c6\u30f3\u571f')"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 2,
       "text": [
        "{:resistance=>\"\u30ec\u30b8\u30b9\u30bf\u30f3\u30b9\", :enlightened=>\"\u30a8\u30f3\u30e9\u30a4\u30c6\u30f3\u571f\"}"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "keywords resistance: '\u30ec\u30b8\u30b9\u30bf\u30f3\u30b9', enlightened: '\u30a8\u30f3\u30e9\u30a4\u30c6\u30f3\u571f'"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 3,
       "text": [
        "{:resistance=>\"\u30ec\u30b8\u30b9\u30bf\u30f3\u30b9\", :enlightened=>\"\u30a8\u30f3\u30e9\u30a4\u30c6\u30f3\u571f\"}"
       ]
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def hoge(a = 1, b =2)\n",
      "  p a, b\n",
      "end\n",
      "\n",
      "hoge"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "1"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "2"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n"
       ]
      },
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 6,
       "text": [
        "[1, 2]"
       ]
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def hoge1(a, b =2)\n",
      "  p a, b\n",
      "end\n",
      "\n",
      "hoge1(1)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "1"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "2"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n"
       ]
      },
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 8,
       "text": [
        "[1, 2]"
       ]
      }
     ],
     "prompt_number": 8
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def hoge2(a = 1, b)\n",
      "  p a, b\n",
      "end\n",
      "\n",
      "hoeg2()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "ename": "NoMethodError",
       "evalue": "undefined method `hoeg2' for main:Object",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[31mNoMethodError\u001b[0m: undefined method `hoeg2' for main:Object",
        "\u001b[37m(pry):35:in `<main>'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `evaluate_ruby'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:323:in `handle_line'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:243:in `block (2 levels) in eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `catch'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `block in eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `catch'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/backend.rb:28:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/kernel.rb:110:in `execute_request'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/kernel.rb:62:in `run'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/command.rb:30:in `run_kernel'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/command.rb:16:in `run'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/bin/iruby:6:in `<top (required)>'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/bin/iruby:23:in `load'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/bin/iruby:23:in `<main>'\u001b[0m"
       ]
      }
     ],
     "prompt_number": 9
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def keywords(charlie = 'chalie', alice: , bob: )\n",
      "  {alice: alice, bob: bob, chalie: charlie}\n",
      "end\n",
      "\n",
      "keywords()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "ename": "ArgumentError",
       "evalue": "missing keywords: alice, bob",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[31mArgumentError\u001b[0m: missing keywords: alice, bob",
        "\u001b[37m(pry):55:in `<main>'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `evaluate_ruby'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:323:in `handle_line'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:243:in `block (2 levels) in eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `catch'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `block in eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `catch'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/backend.rb:28:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/kernel.rb:110:in `execute_request'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/kernel.rb:62:in `run'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/command.rb:30:in `run_kernel'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/command.rb:16:in `run'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/bin/iruby:6:in `<top (required)>'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/bin/iruby:23:in `load'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/bin/iruby:23:in `<main>'\u001b[0m"
       ]
      }
     ],
     "prompt_number": 15
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def keywords(charlie = 'chalie', alice: nil, bob: nil)\n",
      "  {alice: alice, bob: bob, chalie: charlie}\n",
      "end\n",
      "\n",
      "keywords()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 16,
       "text": [
        "{:alice=>nil, :bob=>nil, :chalie=>\"chalie\"}"
       ]
      }
     ],
     "prompt_number": 16
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def foo(nil: )\n",
      "  p nil\n",
      "end\n",
      "\n",
      "foo"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "ename": "ArgumentError",
       "evalue": "missing keyword: nil",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[31mArgumentError\u001b[0m: missing keyword: nil",
        "\u001b[37m(pry):75:in `<main>'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:355:in `evaluate_ruby'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:323:in `handle_line'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:243:in `block (2 levels) in eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `catch'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:242:in `block in eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `catch'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/pry-0.10.1/lib/pry/pry_instance.rb:241:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/backend.rb:28:in `eval'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/kernel.rb:110:in `execute_request'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/kernel.rb:62:in `run'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/command.rb:30:in `run_kernel'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/lib/iruby/command.rb:16:in `run'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems/iruby-0.1.13/bin/iruby:6:in `<top (required)>'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/bin/iruby:23:in `load'\u001b[0m",
        "\u001b[37m/Users/mic/.rbenv/versions/2.1.0/bin/iruby:23:in `<main>'\u001b[0m"
       ]
      }
     ],
     "prompt_number": 20
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def bar(true: )\n",
      "  p true\n",
      "end\n",
      "\n",
      "bar(true: false)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "true"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n"
       ]
      },
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 22,
       "text": [
        "true"
       ]
      }
     ],
     "prompt_number": 22
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "\u53c2\u8003: [Ruby 2.1.0\u30ea\u30ea\u30fc\u30b9\uff01\u6ce8\u76ee\u306e\u65b0\u6a5f\u80fd\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046 | TechRacho](http://techracho.bpsinc.jp/baba/2013_12_26/15026)"
     ]
    }
   ],
   "metadata": {}
  }
 ]
}