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Should an empty cat/hvcat etc. output an array of the expected dimensions? #40111

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BioTurboNick opened this issue Mar 19, 2021 · 1 comment
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Should an empty cat/hvcat etc. output an array of the expected dimensions? #40111

BioTurboNick opened this issue Mar 19, 2021 · 1 comment
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arrays [a, r, r, a, y, s]

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@BioTurboNick
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BioTurboNick commented Mar 19, 2021 •
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Currently, empty cat expressions return empty vectors.

Should they instead return empty arrays of the expected dimensions?

Currently:

typeof(cat(dims = 3)) # Vector{Any}

typeof(cat(1, dims = 3)) # Array{Int, 3}
@JeffBezanson JeffBezanson added the arrays [a, r, r, a, y, s] label Mar 19, 2021
This was referenced Jun 6, 2021
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@BioTurboNick
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BioTurboNick commented Aug 12, 2022 •
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Just revisiting; technically this would breaking.

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@JeffBezanson @BioTurboNick