Why `eye` has been deprecated?

[chakravala]

This has been discussed on here before on this thread:

Eye in julia 0.7

I think I found a replacement for eye in julia 7.0 julia> c=rand(Int8,4,4) 4×4 Array{Int8,2}: 44 -79 36 116 -14 -64 -49 -52 77 -110 -20 118 -119 -57 -78 90 julia> @btime Matrix{eltype($c)}(I,size($c)) 47.614 ns (1 allocation: 112 bytes) 4×4 Array{Int8,2}: 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 julia> @btime $c^0 33.817 ns (1 allocation: 112 bytes) 4×4 Array{Int8,2}: 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 Am I right? Is c^0 a good replacement fo…