Check axes not size?

[mcabbott]

Perhaps the first of these should be an error:

julia> stack(OffsetArray(fill(i,5), rand(-2:2)) for i in 1:10)
5×10 OffsetArray(::Array{Int64,2}, 0:4, 1:10) with eltype Int64 with indices 0:4×1:10:
 1  2  3  4  5  6  7  8  9  10
 1  2  3  4  5  6  7  8  9  10
 1  2  3  4  5  6  7  8  9  10
 1  2  3  4  5  6  7  8  9  10
 1  2  3  4  5  6  7  8  9  10

julia> rstack(OffsetArray(fill(i,5), rand(-2:2)) for i in 1:10)
9×10 OffsetArray(::Array{Int64,2}, -1:7, 1:10) with eltype Int64 with indices -1:7×1:10:
 1  0  0  4  0  6  7  8  0   0
 1  0  0  4  5  6  7  8  0  10
 1  0  0  4  5  6  7  8  0  10
 1  2  0  4  5  6  7  8  9  10
 1  2  3  4  5  6  7  8  9  10
 0  2  3  0  5  0  0  0  9  10
 0  2  3  0  0  0  0  0  9   0
 0  2  3  0  0  0  0  0  9   0
 0  0  3  0  0  0  0  0  0   0

[mcabbott]

Also this one:

julia> stack([OffsetArray(fill(n,4), rand(-3:3)) for n=1:10])
4×10 stack(::Array{OffsetArray{Int64,1,Array{Int64,1}},1}) with eltype Int64 with indices 3:6×Base.OneTo(10):
 1  4648430339  4648841248           4   5           6  …  4648430339           9  21474836480
 1  4992131808  4992134272           0   5           6     4992134944           9           10
 1           4           4  4648841248   5  4650911152              3           0           10
 1      563204      559108  4992134384  18  4648841248         563204  4648430339           10