   ## Examples
 
       # Assuming form contains a User model
-      iex> radio_button(form, :role, "admin")
-      <input id="user_role_admin" name="user[role]" type="radio" value="admin">
+      radio_button(form, :role, "admin")
+      #=> <input id="user_role_admin" name="user[role]" type="radio" value="admin">
 
   ## Options
 

  ## Examples

      # Assuming form contains a User model
      iex> checkbox(form, :famous)
      <input name="user[famous]" type="hidden" value="false">
      <input checked="checked" id="user_famous" name="user[famous]"> type="checkbox" value="true")

  ## Options


  ## Examples

      # Assuming form contains a User model
      select(form, :age, 0..120)
      #=> <select id="user_age" name="user[age]">
          <option value="0">0</option>
          ...
          <option value="120">120</option>
          </select>

      select(form, :role, [admin: "Admin", user: "User"])
      #=> <select id="user_role" name="user[role]">
          <option value="admin">Admin</option>
          <option value="user">User</option>
          </select>

      select(form, :role, [admin: "Admin", user: "User"], prompt: "Choose your role")
      #=> <select id="user_role" name="user[role]">
          <option value="">Choose your role</option>
          <option value="admin">Admin</option>
          <option value="user">User</option>
          </select>

  ## Options

