full broken for LU{Tridiagonal} via missing getindex(::LU{Tridiagonal}, ::Symbol)

[timholy]

julia> A = Tridiagonal(-rand(4),rand(5)+2, -rand(4))
5x5 Base.LinAlg.Tridiagonal{Float64}:
  2.21797   -0.494058   0.0        0.0        0.0     
 -0.571447   2.98739   -0.434064   0.0        0.0     
  0.0       -0.790323   2.56      -0.123797   0.0     
  0.0        0.0       -0.451037   2.6055    -0.418696
  0.0        0.0        0.0       -0.120847   2.47719 

julia> F = lufact(A)
Base.LinAlg.LU{Float64,Base.LinAlg.Tridiagonal{Float64}}(5x5 Base.LinAlg.Tridiagonal{Float64}:
  2.21797   -0.494058   0.0        0.0         0.0     
 -0.257644   2.8601    -0.434064   0.0         0.0     
  0.0       -0.276327   2.44006   -0.123797    0.0     
  0.0        0.0       -0.184847   2.58262    -0.418696
  0.0        0.0        0.0       -0.0467926   2.4576  ,[1,2,3,4,5],0)

julia> full(F)
ERROR: MethodError: `getindex` has no method matching getindex(::Base.LinAlg.LU{Float64,Base.LinAlg.Tridiagonal{Float64}}, ::Symbol)
 in full at linalg/lu.jl:358

[timholy]

In this case, would it be reasonable to implement full directly? (Until we get JuliaLang/julia#8240, that would certainly be easier.)

[tkelman]

would it be reasonable to implement full directly?

Makes sense to me.