How to get index range of subarray?

[vpuri3]

In the case below, how do I get the range of indices spanned by x.a?

x = (; a = ones(2), b = ones(2)) |> ComponentArray

idx_a = ?? # want 1:2

[vpuri3]

@jonniedie is that possible? TIA

[jonniedie]

It's a little clunky, but you can do

only(getaxes(x))[:a].idx

[vpuri3]

Thanks, that works. Is there a similar way to get the global indices of nested arrays? eg.

ca = (; a = ones(2), b = (; x = 2 * ones(2), y = 3 * ones(2))) |> ComponentArray
idx_b_x = getindices(ca.b.x) # want 3:4