Dynamic immutable type

New to Julia
7

Some workarounds:

  • introduce a wrapper type for matrix:
    mutable struct ReplaceableMatrix
    matrix::Matrix{Float64}
end

struct MyType
    some_field::SomeType
    matrix::ReplaceableMatrix
end
  • make MyType mutable with all fields immutable, except for matrix:
    mutable struct MyType
    const some_field::SomeType
    matrix::ReplaceableMatrix
end

It would be possible to add a resize! method for Array, however, as some have pointed out, the desired semantics of such a method would not be obvious (what should happen to the existing elements).

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