I have an array of vectors of a given type, that I want to concatenate into a single vector of the same type. vcat is normally good for this, but there is a problem if the array of vectors results to be empty: julia> a = Vector{Vector{Int}}() 0-element Array{Array{Int64,1},1} julia> vcat(a...) # I…

Coerce type of elements in an empty concatenation

GunnarFarneback March 16, 2020, 4:09pm 2

reduce(vcat, a, init = Int[])

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