README.md in with_last-0.2.0 vs README.md in with_last-0.3.0

@@ -1,11 +1,13 @@
 [![Gem Version](https://badge.fury.io/rb/with_last.svg)](https://badge.fury.io/rb/with_last)
 ![Ruby](https://github.com/oieioi/with_last.rb/workflows/Ruby/badge.svg)
 
 # with_last.rb
 
-Add `with_last` method to `Enumerator` class and `each_with_last` to `Enumerable` module.
+- Add `with_last` method to `Enumerator` class.
+- Add `last?` method to `Enumerator` class.
+- Add `each_with_last` to `Enumerable` module.
 
 ## Installation
 
 ```ruby
 gem 'with_last'
@@ -15,30 +17,54 @@
 
     $ bundle install
 
 ## Usage
 
+### `Enumerable#each_with_last`
+
 ```ruby
 [1,2,3].each_with_last { |item, last|
-  print item
-  print last ? 'done!' : '->'
+  print "#{item}#{last ? '!' : ' => '}"
 }
+```
 
-# "1->2->3done!"
+it prints `1 => 2 => 3!`
 
-[1,2,3].map.with_last { |item, last| "#{item * item}#{last ? '.' : ''}" }.join(',')
+### `Enumerator#with_last`
 
-# => "1,4,9."
+```ruby
+
+[1,2,3]
+  .map
+  .with_last { |item, last| "#{item * item}#{last ? '.' : ''}" }
+  .join(',')
 ```
 
+it returns `"1,4,9."`
+
+### `Enumerator#last?`
+
+```ruby
+e = [1,2].to_enum
+e.last? # => false
+e.next  # => 1
+e.last? # => false
+e.next  # => 2
+e.last? # => true
+```
+
+### in ERB
+
 ```erb
 <% %w[hoge fuga piyo].each_with_last do |item, is_last| %>
   <%= item %><%= is_last ? '.' : ', ' %>
 <% end %>
+```
 
-<!--
+it renders;
+
+```html
 hoge, fuga, piyo.
--->
 ```
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).