Apply a type patch.

rbs v3 does not have a type definition for `ruby2_keywords`, so it cannot pass type checking.
We will apply a patch to address this, expecting the type to be added in rbs v4.

Author: ksss

Steepfile

@@ -15,6 +15,7 @@ target :lib do
   signature "stdlib/rdoc/0/"
   signature "stdlib/ripper/0"
   signature "stdlib/pp/0"
+  signature "steep/patch.rbs"
 
   # configure_code_diagnostics do |config|
   #   config[D::Ruby::MethodDefinitionMissing] = :hint

steep/patch.rbs

@@ -0,0 +1,9 @@
+# Remove here if duplicated
+
+class Module
+  def ruby2_keywords: (*untyped) -> void
+end
+
+class Proc
+  def ruby2_keywords: () -> self
+end