indexin
indexin(a, b)
Returns a vector containing the highest index in b for each value in a that is a member of b . The output vector contains 0 wherever a is not a member of b.
Examples
julia> foo = [2, 5, 7, 5, 2, -1];
julia> bar = [2, 5, 4];
julia> indexin(bar, foo)
4
5
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