Merge pull request #323 from devmotion/dw/remove_linenums

Use `Base.remove_linenums!` to obtain cleaner macro output

Author: oxinabox

Project.toml

@@ -1,6 +1,6 @@
 name = "ChainRulesCore"
 uuid = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
-version = "0.9.33"
+version = "0.9.34"
 
 [deps]
 Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"

src/rule_definition_tools.jl

@@ -2,10 +2,7 @@
 using Base.Meta
 
 macro strip_linenos(expr)
-    strip_linenos(x::LineNumberNode) = nothing
-    strip_linenos(x::Expr) = Expr(x.head, map(strip_linenos, x.args)...)
-    strip_linenos(x) = x
-    return esc(strip_linenos(expr))
+    return esc(Base.remove_linenums!(expr))
 end
 
 """