diff options
| -rw-r--r-- | lib/psych/visitors/yaml_tree.rb | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/psych/visitors/yaml_tree.rb b/lib/psych/visitors/yaml_tree.rb index 35ebb27..c1039c6 100644 --- a/lib/psych/visitors/yaml_tree.rb +++ b/lib/psych/visitors/yaml_tree.rb @@ -325,10 +325,11 @@ module Psych style = Nodes::Scalar::SINGLE_QUOTED end - ivars = find_ivars o + is_primitive = o.class == ::String + ivars = find_ivars o, is_primitive if ivars.empty? - unless o.class == ::String + unless is_primitive tag = "!ruby/string:#{o.class}" plain = false quote = false @@ -533,7 +534,7 @@ module Psych end # FIXME: remove this method once "to_yaml_properties" is removed - def find_ivars target + def find_ivars target, is_primitive=false begin loc = target.method(:to_yaml_properties).source_location.first unless loc.start_with?(Psych::DEPRECATED) || loc.end_with?('rubytypes.rb') @@ -547,7 +548,7 @@ module Psych # and it's OK to skip it since it's only to emit a warning. end - target.instance_variables + is_primitive ? [] : target.instance_variables end def register target, yaml_obj |