itabatakafumi

#http://jp.rubyist.net/magazine/?0021-Rspec#l28
#Arrayクラスのテストコード(配列が空の場合)
array_spec.rb

describe Array, "when empty" do
  before do
    @empty_array = []
    @array = Array.new(3){ Hash.new }
    @array[0][:cat] = "Nuko"
  end

itabatakafumi

---repeat_joinメソッド

def repeat_join(array)
 array.inject{ |a,b| a << "," << b }
end

---odd_sumメソッド

def odd_sum(array)
 array.select{ |i| i % 2 == 1}.inject{ |a,b| a + b }

itabatakafumi

---自作ソース-----
def log(args)
 p args + " before"
 v = yield(args)
 p args + " after"
 v
end
---ここまで------

def foo

itabatakafumi

def obj.foo(*args)
h = {:name=>"A", :no=>1}
last = args.pop
if last.is_a?(Hash)
  last.each do|key,value|
    h[key] = value
  end
  else
    args << last
  end