Dne pátek 6. května 2016 18:51:49 UTC+2 Steven G. Johnson napsal(a):
>
> You have to overload the show method that takes an io argument, like I 
> said.
>

I have overloarded both - without IO and with IO 
show(io::IO, f::Foo) = print(io, "f") 

check the julia console screenshow again, its on 6th line

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