If I have a length 6 vector, is there a way I can `reshape` that into a 3x3 symmet

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If I have a length 6 vector, is there a way I can reshape that into a 3x3 symmetric matrix cleanly/efficiently? Currently I just hardcode the element places.

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julia> SHermitianCompact(SA[1,2,3,4,5,6]) 3×3 SHermitianCompact{3, Int64, 6} with indices SOneTo(3)×SOneTo(3): 1 2 3 2 4 5 3 5 6

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