Ruby 1.9.3 Reference Manual > All Libraries > library syck/rubytypes > class Struct > to_yaml
to_yaml(opts = {}) [added by syck/rubytypes]
自身を YAML ドキュメントに変換します。
Foo = Struct.new(:bar, :baz)
print Foo.new("bar", "baz").to_yaml
# => --- !ruby/struct:Foo
bar: bar
baz: baz