lambdas_and_procs.rb

#!/usr/bin/env ruby

def foo_proc
  puts 'proc 1'
  proc { return }.call
  puts 'proc 2'
end

def foo_block
  puts 'block 1'
  loop { return }
  puts 'block 2'
end

def foo_lambda
  puts 'lambda 1'
  ->(){ return }.call
  puts 'lambda 2'
end


foo_proc
# proc 1


foo_block
# block 1


foo_lambda
# lambda 1
# lambda 2