overload store!

oxinabox · oxinabox · commit 48a039127e06 · 2019-09-17T11:11:54.000+01:00
zero the storage inplace
diff --git a/src/differentials.jl b/src/differentials.jl
@@ -281,7 +281,7 @@ end
 
 # The real reason we have this:
 accumulate!(Δ, ∂::InplaceableThunk) = ∂.add!(Δ)
-
+store!(Δ, ∂::InplaceableThunk) = ∂.add!((Δ.*=false))  # zero i, then add to it.
 
 """
     NO_FIELDS
