dorkalev · December 23, 2015 08:29 · rab · Sep 23, 2013
diff --git a/a start b/a start
 sentence = "there is a wild rose"

 letters = sentence.gsub(' ','').split(//)
diff --git a/basic b/basic
 letters_counter = {}

 letters.each do |letter|
  letters_counter[letter] ||= 0
  letters_counter[letter] += 1
 end
diff --git a/each_with_object b/each_with_object
 letters_counter = letters.each_with_object({}) do |letter, a|
                    a[letter] ||= 0
                    a[letter] += 1
                  end
diff --git a/hashnew b/hashnew
 letters_counter = letters.each_with_object(Hash.new(0)) do |letter, a|
                    a[letter] += 1
                  end
diff --git a/result b/result
 require 'yaml'
 puts letters_counter.to_yaml

 RESULT: 

 ---
 t: 1
 h: 1
 e: 3
 r: 2
 i: 2
 s: 2
 a: 1
 w: 1
 l: 1
 d: 1
 o: 1
	letters_counter = letters.each_with_object({}) do \|letter, a\|
	a[letter] \|\|= 0
	a[letter] += 1
	end