Yes https://github.com/FluxML/Zygote.jl "Without compromising on performance, Zy...

		ddragon on July 19, 2019 \| parent \| context \| favorite \| on: A Differentiable Programming System to Bridge ML a... Yes https://github.com/FluxML/Zygote.jl "Without compromising on performance, Zygote supports the full flexibility and dynamism of the Julia language, including control flow, recursion, closures, structs, dictionaries, and more."

Ah OK the link page here didn't mention structs.