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-rw-r--r--ext/psych/lib/psych/deprecated.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/ext/psych/lib/psych/deprecated.rb b/ext/psych/lib/psych/deprecated.rb
index 093f145302..fdff46845d 100644
--- a/ext/psych/lib/psych/deprecated.rb
+++ b/ext/psych/lib/psych/deprecated.rb
@@ -30,6 +30,12 @@ module Psych
list.each(&block)
end
+ def self.detect_implicit thing
+ warn "#{caller[0]}: detect_implicit is deprecated" if $VERBOSE
+ return '' unless String === thing
+ return 'null' if '' == thing
+ ScalarScanner.new.tokenize(thing).class.name.downcase
+ end
end
class Object