HashWithIndifferentAccess is EXTREMELY expensive. For some background I did a
write up on Hashie, another object that inherits from Hash
http://www.schneems.com/2014/12/15/hashie-considered-harmful.html
Several of the problems that apply to hashie also apply to HWIA. Basically any
subclass of Hash is going to be slow. Here's an issue I opened in Rack which is
closer to HWIA https://github.com/rack/rack/issues/738.
--
Richard Schneeman
http://schneems.com
On September 22, 2016 at 8:37:32 AM, Andrey Molchanov (neod...@gmail.com) wrote:
Hello there!
I propose to add support for class objects HashWithIndifferentAccess to method
Hash#extract!:
before:
def extract!(*keys)
keys.each_with_object(self.class.new) { |key, result| result[key] =
delete(key) if has_key?(key) }
end
after:
def extract!(*keys)
keys.map! { |key| convert_key(key) } if respond_to?(:convert_key, true)
keys.each_with_object(self.class.new) { |key, result| result[key] =
delete(key) if has_key?(key) }
end
Thanks!
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