Removing &block from method

gistfile1.rb

# ruby 2.0.0-p247
require 'benchmark'

def old_method(&block)
  yield
end

def new_method
  yield
end
      
TIMES = 500_000
Benchmark.bmbm do |b|
  b.report('old') do
    TIMES.times do
      old_method { 'abc' }
    end
  end

  b.report('new') do
    TIMES.times do
      new_method { 'abc' }    
    end
  end
end


Rehearsal ---------------------------------------
old   0.590000   0.020000   0.610000 (  0.615266)
new   0.160000   0.000000   0.160000 (  0.159566)
------------------------------ total: 0.770000sec

         user     system      total        real
old   0.570000   0.020000   0.590000 (  0.584801)
new   0.130000   0.000000   0.130000 (  0.131258)