julia> using ComponentArrays, LinearAlgebra
julia> a = ComponentArray(rand(3,3), Axis(x=1, y=2, z=3), Axis(x=1, y=2, z=3))
3×3 ComponentMatrix{Float64} with axes Axis(x = 1, y = 2, z = 3) × Axis(x = 1, y = 2, z = 3)
0.538767 0.431139 0.859582
0.46988 0.730784 0.289708
0.110348 0.744679 0.0160751
julia> a + I(3)
ERROR: MethodError: no method matching similar(::Base.Broadcast.Broadcasted{Base.Broadcast.Unknown,Tuple{Base.OneTo{Int64},Base.OneTo{Int64}},typeof(+),Tuple{ComponentMatrix{Float64},LinearAlgebra.Diagonal{Bool,Array{Bool,1}}}}, ::Type{Float64}, ::Tuple{Base.OneTo{Int64},Base.OneTo{Int64}})
Closest candidates are:
similar(::AbstractArray, ::Type{T}, ::Tuple{Union{Integer, Base.OneTo},Vararg{Union{Integer, Base.OneTo},N} where N}) where T at abstractarray.jl:638
similar(::Base.Broadcast.Broadcasted{Base.Broadcast.DefaultArrayStyle{N},Axes,F,Args} where Args<:Tuple where F where Axes, ::Type{ElType}, ::Any) where {N, ElType} at broadcast.jl:197
similar(::Base.Broadcast.Broadcasted{Base.Broadcast.ArrayConflict,Axes,F,Args} where Args<:Tuple where F where Axes, ::Type{ElType}, ::Any) where ElType at broadcast.jl:202
...
Stacktrace:
[1] similar(::Base.Broadcast.Broadcasted{Base.Broadcast.Unknown,Tuple{Base.OneTo{Int64},Base.OneTo{Int64}},typeof(+),Tuple{ComponentMatrix{Float64},LinearAlgebra.Diagonal{Bool,Array{Bool,1}}}}, ::Type{Float64}) at .\broadcast.jl:196
[2] similar(::Base.Broadcast.Broadcasted{ComponentArrays.CAStyle{Base.Broadcast.Unknown,Tuple{Axis{(x = 1, y = 2, z = 3)},Axis{(x = 1, y = 2, z = 3)}},2},Tuple{Base.OneTo{Int64},Base.OneTo{Int64}},typeof(+),Tuple{ComponentMatrix{Float64},LinearAlgebra.Diagonal{Bool,Array{Bool,1}}}}, ::Type{T} where T) at C:\Users\jdiegelm\.julia\packages\ComponentArrays\caTe8\src\broadcasting.jl:65
[3] copy at .\broadcast.jl:862 [inlined]
[4] materialize at .\broadcast.jl:837 [inlined]
[5] broadcast_preserving_zero_d at .\broadcast.jl:826 [inlined]
[6] +(::ComponentMatrix{Float64}, ::LinearAlgebra.Diagonal{Bool,Array{Bool,1}}) at .\arraymath.jl:39
[7] top-level scope at REPL[136]:1
