clearer error message, fixes #93

2017-10-26 11:15:14 +01:00 · 2017-10-26 11:15:14 +01:00 · 0df300299f
commit 0df300299f
parent 6768afda29
1 changed files with 3 additions and 0 deletions
--- a/src/tracker/Tracker.jl
+++ b/src/tracker/Tracker.jl
@ -70,6 +70,9 @@ function Base.showarray(io::IO, X::TrackedArray, repr::Bool = true; header = tru
  end
 end

+Base.setindex!(xs::TrackedArray, v, i...) =
+  error("Can't differentiate `setindex!`")
+
 include("back.jl")
 include("lib.jl")
 include("numeric.jl")