struct Result
  converged::Bool
  ΔVs::Matrix{Float64}
  start::Vector{Float64}
  final::Vector{Float64}
end

function Result(name::String)
  if name == "test_converged"
    return Result(true, Matrix(undef,0,0), Vector{Float64}(), Vector{Float64}())
  elseif name == "test_unconverged"
    return Result(false, Matrix(undef,0,0), Vector{Float64}(), Vector{Float64}())
  else
    throw(ErrorException("Bad result name"))
  end
end