Help with where syntax in Julia v0.6

[StefanKarpinski]

I think that if you had never learned the old syntax the new one would be far less confusing – in the new way, Foo{T} only ever means Foo with T as a type parameter, and you define methods for that type the same way you call it. I explained more in this post:

Anybody else find the new where syntax less than satisfactory?

I explained the overall motivation for the where syntax in this StackOverflow answer: Partly quoting from there (with some clarifications and edits): Fundamentally, the problem with F{T}(args...) in Julia 0.5 and earlier is that the F{T} part is ambiguous – the parser knows what it means from the broader context, but its meaning depends heavily on that context. The fact that it can mean such different things is pretty confusing: In most contexts, F{T} means the parametric type F with type…