Ruby 1.8.7 Reference Manual > All Libraries > library yaml/rubytypes > class Struct > to_yaml
to_yaml(opts = {}) [added by yaml/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