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instance method
Psych::Visitors::YAMLTree#binary?
binary?(string)
ext/psych/lib/psych/visitors/yaml_tree.rb
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# File tmp/rubies/ruby-3.1.3/ext/psych/lib/psych/visitors/yaml_tree.rb, line 391
def binary? string
string.encoding == Encoding::ASCII_8BIT && !string.ascii_only?
end
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