I don't want to say interface{}=void (at least while type assertion isn't used). But please read comment to Apply function [0] and tell me you don't see usual g

I don't want to say interface{}=void (at least while type assertion isn't used). But please read comment to Apply function [0] and tell me you don't see usual generics record. [0] https://github.com/robpike/filter/blob/master/apply.go#L19 https://github.com/robpike/filter/blob/master/apply.go#L19