Merge pull request #470 from mcabbott/count

Mark `count` non-differentiable

Author: mcabbott

Project.toml

@@ -1,6 +1,6 @@
 name = "ChainRules"
 uuid = "082447d4-558c-5d27-93f4-14fc19e9eca2"
-version = "0.8.21"
+version = "0.8.22"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"

src/rulesets/Base/nondiff.jl

@@ -98,7 +98,8 @@
 @non_differentiable codeunit(::SubString)
 @non_differentiable codeunits(::AbstractString)
 @non_differentiable copy(::Base.GenericIOBuffer)
-@non_differentiable count(::Union{Regex, AbstractString}, ::AbstractString)
+@non_differentiable count(::Any)
+@non_differentiable count(::Any, ::Any)
 @non_differentiable countlines(::AbstractString)
 @non_differentiable countlines(::IO)
 @non_differentiable cp(::AbstractString, ::AbstractString)