Types and conversions

MAT.jl uses the following type conversions from MATLAB types to Julia types:

MATLAB	Julia
numerical array	`Array{T}`
cell array	`Array{Any}`
char array	`String`
`struct`	`Dict{String,Any}`
`struct` array	`MAT.MatlabStructArray`
old class object	`MAT.MatlabClassObject`
new (opaque) class	`MAT.MatlabOpaque`

A few of the MatlabOpaque classes are automatically converted upon reading:

MATLAB	Julia
`string`	`String`
`datetime`	`Dates.DateTime`
`duration`	`Dates.Millisecond`
`category`	`PooledArrays.PooledArray`
`table`	`MAT.MatlabTable` (or any other table)

Note that single element arrays are typically converted to scalars in Julia, because MATLAB cannot distinguish between scalars and 1x1 sized arrays.