From: "benmoss (Ben Moss)" Date: 2012-09-22T02:56:08+09:00 Subject: [ruby-core:47633] [ruby-trunk - Bug #7045][Open] DelegateClass array subtraction Issue #7045 has been reported by benmoss (Ben Moss). ---------------------------------------- Bug #7045: DelegateClass array subtraction https://bugs.ruby-lang.org/issues/7045 Author: benmoss (Ben Moss) Status: Open Priority: Normal Assignee: Category: Target version: ruby -v: ruby 2.0.0dev (2012-09-21) [x86_64-darwin11.4.0] When I have an array that contains an array that contains a single instance of a class that inherits from DelegateClass, and I subtract from that array another array containing another array containing the same nested object, Ruby does not return an empty array. I've attached a test file that should replicate the one failing scenario, as well as some complimentary scenarios that do work as I had expected. -- http://bugs.ruby-lang.org/