How can I access multiple values of a dictionary using a tuple of keys? Note that the original poster on Slack cannot see your response here on Discourse. Consider transcribing the appropriate answer back to Slack, or pinging the poster here on Discourse so they can follow this thread. (Original m…

By @pfitzseb : I’d just broadcast getindex : julia> d = Dict(:a => 1, :b => 2, :c => 3) Dict{Symbol,Int64} with 3 entries: :a => 1 :b => 2 :c => 3julia> getindex.(Ref(d), (:a, :b, :c)) (1, 2, 3) The Ref(...) does the trick.

I found this other post, but it doesn’t seem to work in Julia 1.5 [image] Accessing multiple values of a dictionary General Usage https://github.com/JuliaLang/julia/issues/19169 There are two fairly compelling potential meanings of x.[y]. It’s not yet clear which one is a…

Do you know what the Ref is necessary?

The Ref is necessary for the Dict to be treated as an scalar by the broadcast instead of a collection. Wrapping in an unitary tuple would have the same effect: getindex.((d,), (:a, :b, :c)).

I have found the following to benchmark slightly faster than the Ref method: tuple((d[i] for i in (:a, :b, :c))...) This has the added bonus of also not needing the tuple or splatting (...) if you are only iterating through results anyway (or replacing tuple with another function). With the tuple …

How can I access multiple values of a dictionary using a tuple of keys?

General Usage

mroavi March 10, 2021, 11:04am 2

I found this other post, but it doesn’t seem to work in Julia 1.5

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How can I access multiple values of a dictionary using a tuple of keys?

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