Add nondiff rules for one ones zero zeros (#465)

Author: niklasschmitz

Project.toml

@@ -1,6 +1,6 @@
 name = "ChainRules"
 uuid = "082447d4-558c-5d27-93f4-14fc19e9eca2"
-version = "0.8.18"
+version = "0.8.19"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"

src/rulesets/Base/nondiff.jl

@@ -439,3 +439,8 @@ VERSION >= v"1.1" && @non_differentiable Sys.isopenbsd(::Symbol)
 @non_differentiable Threads.threadid(::Task)
 
 @non_differentiable similar(::Any...)
+
+@non_differentiable one(::Any)
+@non_differentiable ones(::Any...)
+@non_differentiable zero(::Any)
+@non_differentiable zeros(::Any...)