rescue ruby code example

Example 1: ruby catch all exceptions

begin
  raise 'This exception will be rescued!'
rescue StandardError => e
  puts "Rescued: #{e.inspect}"
end

Example 2: rails begin rescue

begin
  3 + '4'
rescue => e
  puts e.class
  puts e.message
  puts e.trace
end

Example 3: ruby begin rescue ensure

begin
  fire_ze_missiles
rescue
  retry #just once more for good luck
else
  log "We set up them the bomb."
ensure
  wtf_mate
end