Add qualification to at-nondifferentiable

Project.toml

@@ -1,6 +1,6 @@
 name = "ChainRulesCore"
 uuid = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
-version = "0.9.30"
+version = "0.9.31"
 
 [deps]
 Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"

src/rule_definition_tools.jl

@@ -361,7 +361,7 @@ function _nondiff_rrule_expr(primal_sig_parts, primal_invoke)
     )
     return esc(quote
         # Manually defined kw version to save compiler work. See explanation in rules.jl
-        function (::Core.kwftype(typeof(rrule)))(kwargs::Any, rrule::typeof(ChainRulesCore.rrule), $(primal_sig_parts...))
+        function (::Core.kwftype(typeof(ChainRulesCore.rrule)))(kwargs::Any, rrule::typeof(ChainRulesCore.rrule), $(primal_sig_parts...))
             return ($(_with_kwargs_expr(primal_invoke)), $pullback_expr)
         end
         function ChainRulesCore.rrule($(primal_sig_parts...))

test/rule_definition_tools.jl

@@ -251,3 +251,24 @@ end
 
 
 end
+
+
+module IsolatedModuleForTestingScoping
+    using Test
+    # need to make sure macros work in something that hasn't imported all exports
+    # all that matters is that the following don't error, since they will resolve at
+    # parse time
+    using ChainRulesCore: ChainRulesCore
+
+    @testset "@non_differentiable" begin
+        # this is
+        # https://github.com/JuliaDiff/ChainRulesCore.jl/issues/317
+        fixed(x) = :abc
+        ChainRulesCore.@non_differentiable fixed(x)
+    end
+
+    @testset "@scalar_rule" begin
+        my_id(x) = x
+        ChainRulesCore.@scalar_rule(my_id(x), 1.0)
+    end
+end