Outer product of more than two vectors

[sylvaticus]

Got it

julia> outer_product2(vs) =  .*([reshape(vs[d], (ntuple(Returns(1), d-1)..., :)) for d in 1:length(vs)]... )

julia> @benchmark outer_product($vs)
BenchmarkTools.Trial: 10000 samples with 5 evaluations.
 Range (min … max):  6.045 μs …  1.440 ms  ┊ GC (min … max): 0.00% … 98.98%
 Time  (median):     6.857 μs              ┊ GC (median):    0.00%
 Time  (mean ± σ):   7.907 μs ± 31.443 μs  ┊ GC (mean ± σ):  8.84% ±  2.21%

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  6.04 μs        Histogram: frequency by time        15.6 μs <

 Memory estimate: 5.11 KiB, allocs estimate: 135.

julia> @benchmark outer_product2($vs)
BenchmarkTools.Trial: 10000 samples with 10 evaluations.
 Range (min … max):  1.632 μs … 591.462 μs  ┊ GC (min … max): 0.00% … 99.03%
 Time  (median):     1.880 μs               ┊ GC (median):    0.00%
 Time  (mean ± σ):   2.032 μs ±   5.930 μs  ┊ GC (mean ± σ):  2.88% ±  0.99%

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  1.63 μs         Histogram: frequency by time        2.82 μs <

 Memory estimate: 752 bytes, allocs estimate: 15.

thanks