gdalle
June 15, 2024, 5:20am
3
That’s not entirely true. While the language itself doesn’t have built-in interfaces, there are several third-party packages that propose designs for this feature.
See also this discussion:
I’ve been working through an idea for a package, and I’d love your feedback.
Tl;Dr: This package allows you to create method dispatches based on the methods defined for a type, not the place the type has in the type lattice.
Here’s a little snippet to get the idea:
@duck_type struct FiniteIterable{T}
# the signatures that must be defined to make a type a `FiniteIterable`
function Base.iterate(::This)::Union{Nothing, Tuple{T, <:Any}} end
function Base.iterate(::This, ::Any)::Uni…
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