Syntactic sugar for types

[MilesCranmer]

@stevengj

I think the main reason that these proposals have come up only recently, more than a decade into Julia’s development, is type1 | type2 syntax has recently been adopted and popularized in Python. But “spell things more like Python” has never been a huge priority for Julia

Within the lengthy thread on this topic are some comments discussing precisely this point, so I think we should avoid rehashing things. I also have no energy left for this topic (having given up long ago)

@andrey2185 At the end of the day, the nice thing about Julia is that you can just overload | in your config/startup.jl file to use this syntax in your REPL. And if wanting to use it in a package you can just depend on InfixUnions.jl.