Change the Hash.to_xml with a lamda example
Update 'foo'.to_xml(lambda { |options, key| options[:builder].b(key) }) to {foo: lambda { |options, key| options[:builder].b(key) }}.to_xml
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@ -31,7 +31,7 @@ class Hash
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# with +key+ as <tt>:root</tt>, and +key+ singularized as second argument. The
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# callable can add nodes by using <tt>options[:builder]</tt>.
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#
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# 'foo'.to_xml(lambda { |options, key| options[:builder].b(key) })
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# {foo: lambda { |options, key| options[:builder].b(key) }}.to_xml
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# # => "<b>foo</b>"
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#
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# * If +value+ responds to +to_xml+ the method is invoked with +key+ as <tt>:root</tt>.
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