Merge pull request ConnorAtherton#102 from yui-knk/fix-completion_proc

Fix bug when used with pry-remote(drb environment).
camdez · Apr 1, 2014 · ce4908d · ce4908d
2 parents dc35d12 + d62ab88
commit ce4908d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/readline.rb b/lib/readline.rb
@@ -89,7 +89,7 @@ def self.line_buffer
   #    Readline.completion_proc = proc{ |s| list.grep( /^#{Regexp.escape(s)}/) }
   #
   def self.completion_proc=(proc)
-    unless defined? proc.call
+    unless proc.respond_to? :call
       raise ArgumentError,"argument must respond to `call'"
     end
     @completion_proc = proc