The documentation for Set says: Elements in a Set are unique, as determined by the elements’ definition of isequal. This doesn’t seem to be true: struct S x::Vector{Int} S() = new(Int[]) end Base.isequal(::S, ::S) = true @assert isequal(S(), S()) @assert Set([S()]) == Set([S(), S()]) # …

Elements in my `Set` are not unique

jar1 October 7, 2024, 3:00am 2

You have to also define Base.hash.

1 Like

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