Ruby 1.9.3 YAML parse

yaml_parse.rb

require 'yaml'

yaml = <<yaml
defaults: &defaults
  cool:
    bang: wow
    fruit: apple

development:
  <<: *defaults
  cool:
    fruit: banana
yaml

parsed = begin
  YAML.load(yaml)
rescue ArgumentError => e
  puts "Could not parse YAML: #{e.message}"
end

puts "Using: #{YAML::ENGINE.yamler}"
puts parsed.inspect

YAML::ENGINE.yamler= 'syck'
parsed = begin
  YAML.load(yaml)
rescue ArgumentError => e
  puts "Could not parse YAML: #{e.message}"
end

puts "Using: #{YAML::ENGINE.yamler}"
puts parsed.inspect