avoid creating Base arrays on copy

Author: ffreyer

src/fixed_arrays.jl

@@ -189,6 +189,8 @@ Base.length(::StaticVector{N}) where {N} = N
 Base.length(::Type{<: StaticVector{N}}) where {N} = N
 Base.ndims(::Type{<: StaticVector}) = 1
 
+Base.copy(v::StaticVector) = deepcopy(v)
+
 Base.vcat(a::StaticVector, b::StaticVector) = (a..., b...)
 
 function Base.iterate(A::StaticVector, i=1)

src/mat.jl

@@ -55,6 +55,8 @@ Base.broadcastable(x::Mat) = x
 Base.BroadcastStyle(::Type{<: Mat{C, R}}) where {C, R} = StaticArrayStyle{Mat{C, R}}()
 Base.values(m::Mat) = m.values
 
+Base.copy(mat::Mat) = deepcopy(mat)
+
 function Mat{C, R, T}(::LinearAlgebra.UniformScaling) where {C, R, T}
     idx = CartesianIndices((R, C))
     data = ntuple(C * R) do i