method.rb in appmap-0.72.1

- old
+ new

@@ -1,8 +1,13 @@
 # frozen_string_literal: true
 
 module AppMap
+  NEW_RUBY = Util.ruby_minor_version >= 2.7
+  if NEW_RUBY && !Proc.instance_methods.include?(:ruby2_keywords)
+    warn "Ruby is #{RUBY_VERSION}, but Procs don't respond to #ruby2_keywords"
+  end
+
   class Hook
     class Method
       attr_reader :hook_package, :hook_class, :hook_method
 
       # +method_display_name+ may be nil if name resolution gets
@@ -54,10 +59,10 @@
             obj.is_a?(Array) && obj.length == 1 && obj[0].is_a?(Hash) && obj[0].size == 0
           }
 
           call_instance_method = -> {
             # https://github.com/applandinc/appmap-ruby/issues/153
-            if Util.ruby_minor_version >= 2.7 && is_array_containing_empty_hash.(args) && hook_method.arity == 1
+            if NEW_RUBY && is_array_containing_empty_hash.(args) && hook_method.arity == 1
               instance_method.call({}, &block)
             else
               instance_method.call(*args, &block)
             end
           }