rails/rails — pull request #13289 by aayushkhandelwal11 (2013-12-12 08:51:51+00:00)
Title: Removing not required unless condition

puts Benchmark.measure { x = 3 unless x }
0.000000 0.000000 0.000000 ( 0.000008)
puts Benchmark.measure { x ||= 3 }
0.000000 0.000000 0.000000 ( 0.000003)