Ruby is strongly typed.ipynb

{
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   "source": [
    "Testing variable\n"
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   "execution_count": 2,
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     "data": {
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       "17"
      ]
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     "metadata": {},
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    "name = \"chuck\"\n",
    "age = 17"
   ]
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   "cell_type": "code",
   "execution_count": 3,
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     "data": {
      "text/plain": [
       "\"chuck\""
      ]
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    "name"
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      "text/plain": [
       "17"
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     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "age"
   ]
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  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
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   "outputs": [
    {
     "ename": "TypeError",
     "evalue": "no implicit conversion of Fixnum into String",
     "output_type": "error",
     "traceback": [
      "\u001b[31mTypeError\u001b[0m: no implicit conversion of Fixnum into String",
      "\u001b[37m(pry):7:in `+'\u001b[0m",
      "\u001b[37m(pry):7:in `<main>'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:355:in `eval'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:355:in `evaluate_ruby'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:323:in `handle_line'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:243:in `block (2 levels) in eval'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:242:in `catch'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:242:in `block in eval'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:241:in `catch'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/pry-0.10.3/lib/pry/pry_instance.rb:241:in `eval'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/lib/iruby/backend.rb:65:in `eval'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/lib/iruby/backend.rb:12:in `eval'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/lib/iruby/kernel.rb:87:in `execute_request'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/lib/iruby/kernel.rb:47:in `dispatch'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/lib/iruby/kernel.rb:37:in `run'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/lib/iruby/command.rb:70:in `run_kernel'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/lib/iruby/command.rb:34:in `run'\u001b[0m",
      "\u001b[37m/var/lib/gems/2.1.0/gems/iruby-0.2.9/bin/iruby:5:in `<top (required)>'\u001b[0m",
      "\u001b[37m/usr/local/bin/iruby:22:in `load'\u001b[0m",
      "\u001b[37m/usr/local/bin/iruby:22:in `<main>'\u001b[0m"
     ]
    }
   ],
   "source": [
    "person = name + age"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"skywalker\""
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "last = \"skywalker\""
   ]
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   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "collapsed": false
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"chuck skywalker\""
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "person = name + \" \" + last"
   ]
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  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
    "collapsed": false
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"chuck 17\""
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "person = name + \" \" + age.to_s"
   ]
  },
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   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
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